22112121030 has 16 divisors (see below), whose sum is σ = 53069090544. Its totient is φ = 5896565600.

The previous prime is 22112121023. The next prime is 22112121047. The reversal of 22112121030 is 3012121122.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368535321 + ... + 368535380.

It is an arithmetic number, because the mean of its divisors is an integer number (3316818159).

Almost surely, 2^22112121030 is an apocalyptic number.

22112121030 is an abundant number, since it is smaller than the sum of its proper divisors (30956969514).

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

22112121030 is a wasteful number, since it uses less digits than its factorization.

22112121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737070711.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22112121030 its reverse (3012121122), we get a palindrome (25124242152).

The spelling of 22112121030 in words is "twenty-two billion, one hundred twelve million, one hundred twenty-one thousand, thirty".