22011102121 has 16 divisors (see below), whose sum is σ = 24541824960. Its totient is φ = 19618536960.

The previous prime is 22011102103. The next prime is 22011102173. The reversal of 22011102121 is 12120111022.

It is a cyclic number.

It is not a de Polignac number, because 22011102121 - 2¹⁷ = 22010971049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011102221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948165 + ... + 971101.

It is an arithmetic number, because the mean of its divisors is an integer number (1533864060).

Almost surely, 2^22011102121 is an apocalyptic number.

It is an amenable number.

22011102121 is a deficient number, since it is larger than the sum of its proper divisors (2530722839).

22011102121 is a wasteful number, since it uses less digits than its factorization.

22011102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25944.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22011102121 its reverse (12120111022), we get a palindrome (34131213143).

The spelling of 22011102121 in words is "twenty-two billion, eleven million, one hundred two thousand, one hundred twenty-one".