22002121110013 has 12 divisors (see below), whose sum is σ = 24197945747164. Its totient is φ = 19990517976000.

The previous prime is 22002121109993. The next prime is 22002121110023. The reversal of 22002121110013 is 31001112120022.

It can be written as a sum of positive squares in 2 ways, for example, as 9285750846009 + 12716370264004 = 3047253^2 + 3566002^2 .

It is not a de Polignac number, because 22002121110013 - 2⁴¹ = 19803097854461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002121110023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51652038 + ... + 52076263.

Almost surely, 2^{22002121110013} is an apocalyptic number.

It is an amenable number.

22002121110013 is a deficient number, since it is larger than the sum of its proper divisors (2195824637151).

22002121110013 is a wasteful number, since it uses less digits than its factorization.

22002121110013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103730076 (or 103730065 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22002121110013 its reverse (31001112120022), we get a palindrome (53003233230035).

The spelling of 22002121110013 in words is "twenty-two trillion, two billion, one hundred twenty-one million, one hundred ten thousand, thirteen".