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1222101012021 = 33113140871097
BaseRepresentation
bin10001110010001010111…
…001011000111000110101
311022211110022122211220020
4101302022321120320311
5130010330324341041
62333231521555353
7154202542130301
oct21621271307065
94284408584806
101222101012021
1143132118558a
12178a271a5b59
138b322346006
1443215880d01
1521bca11d866
hex11c8ae58e35

1222101012021 has 8 divisors (see below), whose sum is σ = 1682031500544. Its totient is φ = 788452265760.

The previous prime is 1222101012017. The next prime is 1222101012103. The reversal of 1222101012021 is 1202101012221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222101012021 - 22 = 1222101012017 is a prime.

It is a super-3 number, since 3×12221010120213 (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222101016021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6570435456 + ... + 6570435641.

It is an arithmetic number, because the mean of its divisors is an integer number (210253937568).

Almost surely, 21222101012021 is an apocalyptic number.

It is an amenable number.

1222101012021 is a deficient number, since it is larger than the sum of its proper divisors (459930488523).

1222101012021 is a wasteful number, since it uses less digits than its factorization.

1222101012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13140871131.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1222101012021 its reverse (1202101012221), we get a palindrome (2424202024242).

The spelling of 1222101012021 in words is "one trillion, two hundred twenty-two billion, one hundred one million, twelve thousand, twenty-one".

Divisors: 1 3 31 93 13140871097 39422613291 407367004007 1222101012021