22451012103 has 32 divisors (see below), whose sum is σ = 34099881984. Its totient is φ = 13034241792.

The previous prime is 22451012069. The next prime is 22451012251. The reversal of 22451012103 is 30121015422.

It is not a de Polignac number, because 22451012103 - 2²⁶ = 22383903239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22451012103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22451012803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105951 + ... + 236912.

It is an arithmetic number, because the mean of its divisors is an integer number (1065621312).

Almost surely, 2^22451012103 is an apocalyptic number.

22451012103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22451012103 is a deficient number, since it is larger than the sum of its proper divisors (11648869881).

22451012103 is a wasteful number, since it uses less digits than its factorization.

22451012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342975.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 22451012103 its reverse (30121015422), we get a palindrome (52572027525).

The spelling of 22451012103 in words is "twenty-two billion, four hundred fifty-one million, twelve thousand, one hundred three".