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11222101212020 = 2251417193959279
BaseRepresentation
bin1010001101001101100101…
…0110110011101101110100
31110201211012112021021001222
42203103121112303231310
52432330330402241040
635511210115205512
72235525062266646
oct243233126635564
943654175237058
1011222101212020
1136372a2635896
121312b02ba6898
1363531654157a
142ab21ca22896
15146da50a0bb5
hexa34d95b3b74

11222101212020 has 24 divisors (see below), whose sum is σ = 23566584787200. Its totient is φ = 4488807676832.

The previous prime is 11222101211983. The next prime is 11222101212031. The reversal of 11222101212020 is 2021210122211.

It is a super-2 number, since 2×112221012120202 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11222101212020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854741 + ... + 4814019.

It is an arithmetic number, because the mean of its divisors is an integer number (981941032800).

Almost surely, 211222101212020 is an apocalyptic number.

11222101212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222101212020 is an abundant number, since it is smaller than the sum of its proper divisors (12344483575180).

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

11222101212020 is a wasteful number, since it uses less digits than its factorization.

11222101212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101007 (or 4101005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11222101212020 its reverse (2021210122211), we get a palindrome (13243311334231).

The spelling of 11222101212020 in words is "eleven trillion, two hundred twenty-two billion, one hundred one million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 141719 283438 566876 708595 1417190 2834380 3959279 7918558 15837116 19796395 39592790 79185580 561105060601 1122210121202 2244420242404 2805525303005 5611050606010 11222101212020