22121111150 has 24 divisors (see below), whose sum is σ = 41190124080. Its totient is φ = 8838797760.

The previous prime is 22121111149. The next prime is 22121111197. The reversal of 22121111150 is 5111112122.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194759 + ... + 286658.

It is an arithmetic number, because the mean of its divisors is an integer number (1716255170).

Almost surely, 2^22121111150 is an apocalyptic number.

22121111150 is a deficient number, since it is larger than the sum of its proper divisors (19069012930).

22121111150 is a wasteful number, since it uses less digits than its factorization.

22121111150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482348 (or 482343 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 22121111150 its reverse (5111112122), we get a palindrome (27232223272).

The spelling of 22121111150 in words is "twenty-two billion, one hundred twenty-one million, one hundred eleven thousand, one hundred fifty".