22102111010121 has 32 divisors (see below), whose sum is σ = 30253543182720. Its totient is φ = 14348097060864.

The previous prime is 22102111010107. The next prime is 22102111010171. The reversal of 22102111010121 is 12101011120122.

It is a happy number.

It is not a de Polignac number, because 22102111010121 - 2¹¹ = 22102111008073 is a prime.

It is a super-2 number, since 2×22102111010121² (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 22102111010121.

It is not an unprimeable number, because it can be changed into a prime (22102111010171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6571105 + ... + 9347921.

It is an arithmetic number, because the mean of its divisors is an integer number (945423224460).

Almost surely, 2^{22102111010121} is an apocalyptic number.

It is an amenable number.

22102111010121 is a deficient number, since it is larger than the sum of its proper divisors (8151432172599).

22102111010121 is a wasteful number, since it uses less digits than its factorization.

22102111010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777305.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22102111010121 its reverse (12101011120122), we get a palindrome (34203122130243).

The spelling of 22102111010121 in words is "twenty-two trillion, one hundred two billion, one hundred eleven million, ten thousand, one hundred twenty-one".