22121031030 has 32 divisors (see below), whose sum is σ = 60674828544. Its totient is φ = 5056235616.

The previous prime is 22121030993. The next prime is 22121031047. The reversal of 22121031030 is 3013012122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52668912 + ... + 52669331.

It is an arithmetic number, because the mean of its divisors is an integer number (1896088392).

Almost surely, 2^22121031030 is an apocalyptic number.

22121031030 is an abundant number, since it is smaller than the sum of its proper divisors (38553797514).

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

22121031030 is a wasteful number, since it uses less digits than its factorization.

22121031030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105338260.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22121031030 its reverse (3013012122), we get a palindrome (25134043152).

The spelling of 22121031030 in words is "twenty-two billion, one hundred twenty-one million, thirty-one thousand, thirty".