22151121032 has 16 divisors (see below), whose sum is σ = 41587940700. Its totient is φ = 11061003520.

The previous prime is 22151121029. The next prime is 22151121053. The reversal of 22151121032 is 23012115122.

It can be written as a sum of positive squares in 2 ways, for example, as 21789892996 + 361228036 = 147614^2 + 19006^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22151120995 and 22151121013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1813157 + ... + 1825332.

Almost surely, 2^22151121032 is an apocalyptic number.

It is an amenable number.

22151121032 is a deficient number, since it is larger than the sum of its proper divisors (19436819668).

22151121032 is a wasteful number, since it uses less digits than its factorization.

22151121032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639256 (or 3639252 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 22151121032 its reverse (23012115122), we get a palindrome (45163236154).

The spelling of 22151121032 in words is "twenty-two billion, one hundred fifty-one million, one hundred twenty-one thousand, thirty-two".