22000100012121 has 128 divisors (see below), whose sum is σ = 38418068275200. Its totient is φ = 10864221984000.

The previous prime is 22000100012117. The next prime is 22000100012123. The reversal of 22000100012121 is 12121000100022.

It is not a de Polignac number, because 22000100012121 - 2² = 22000100012117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22000100012097 and 22000100012106.

It is not an unprimeable number, because it can be changed into a prime (22000100012123) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 351458536 + ... + 351521126.

It is an arithmetic number, because the mean of its divisors is an integer number (300141158400).

Almost surely, 2^{22000100012121} is an apocalyptic number.

22000100012121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22000100012121 is a deficient number, since it is larger than the sum of its proper divisors (16417968263079).

22000100012121 is a wasteful number, since it uses less digits than its factorization.

22000100012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63451.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22000100012121 its reverse (12121000100022), we get a palindrome (34121100112143).

The spelling of 22000100012121 in words is "twenty-two trillion, one hundred million, twelve thousand, one hundred twenty-one".