22112010102121 has 4 divisors (see below), whose sum is σ = 22155452165700. Its totient is φ = 22068568038544.

The previous prime is 22112010102113. The next prime is 22112010102157. The reversal of 22112010102121 is 12120101021122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12465171666025 + 9646838436096 = 3530605^2 + 3105936^2 .

It is a cyclic number.

It is not a de Polignac number, because 22112010102121 - 2³ = 22112010102113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22112010102095 and 22112010102104.

It is not an unprimeable number, because it can be changed into a prime (22112010102521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21721031026 + ... + 21721032043.

It is an arithmetic number, because the mean of its divisors is an integer number (5538863041425).

Almost surely, 2^{22112010102121} is an apocalyptic number.

It is an amenable number.

22112010102121 is a deficient number, since it is larger than the sum of its proper divisors (43442063579).

22112010102121 is an equidigital number, since it uses as much as digits as its factorization.

22112010102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43442063578.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22112010102121 its reverse (12120101021122), we get a palindrome (34232111123243).

The spelling of 22112010102121 in words is "twenty-two trillion, one hundred twelve billion, ten million, one hundred two thousand, one hundred twenty-one".