22151052102 has 16 divisors (see below), whose sum is σ = 44305258752. Its totient is φ = 7383158280.

The previous prime is 22151052073. The next prime is 22151052103. The reversal of 22151052102 is 20125015122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22151052103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34674 + ... + 213317.

It is an arithmetic number, because the mean of its divisors is an integer number (2769078672).

Almost surely, 2^22151052102 is an apocalyptic number.

22151052102 is an abundant number, since it is smaller than the sum of its proper divisors (22154206650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22151052102 is a wasteful number, since it uses less digits than its factorization.

22151052102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262883.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 22151052102 its reverse (20125015122), we get a palindrome (42276067224).

The spelling of 22151052102 in words is "twenty-two billion, one hundred fifty-one million, fifty-two thousand, one hundred two".