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222102101201020 = 22536778738448719
BaseRepresentation
bin110010100000000000101100…
…110110001001000001111100
31002010101202100022100211100221
4302200000230312021001330
5213102410100401413040
62104212144031431124
764532230054621465
oct6240005466110174
91063352308324327
10222102101201020
116484aa76a35737
1220ab0a603854a4
1396c11a4a35111
143cbbb28871d6c
151aa25ba84074a
hexca002cd8907c

222102101201020 has 48 divisors (see below), whose sum is σ = 468279572060160. Its totient is φ = 88486187194944.

The previous prime is 222102101201011. The next prime is 222102101201033. The reversal of 222102101201020 is 20102101201222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222102101200985 and 222102101201003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13447780 + ... + 25000939.

It is an arithmetic number, because the mean of its divisors is an integer number (9755824417920).

Almost surely, 2222102101201020 is an apocalyptic number.

222102101201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222102101201020 is an abundant number, since it is smaller than the sum of its proper divisors (246177470859140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222102101201020 is a wasteful number, since it uses less digits than its factorization.

222102101201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38449882 (or 38449880 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222102101201020 its reverse (20102101201222), we get a palindrome (242204202402242).

The spelling of 222102101201020 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred one million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 367 734 787 1468 1574 1835 3148 3670 3935 7340 7870 15740 288829 577658 1155316 1444145 2888290 5776580 38448719 76897438 153794876 192243595 384487190 768974380 14110679873 28221359746 30259141853 56442719492 60518283706 70553399365 121036567412 141106798730 151295709265 282213597460 302591418530 605182837060 11105105060051 22210210120102 44420420240204 55525525300255 111051050600510 222102101201020