22012113021 has 8 divisors (see below), whose sum is σ = 29481096960. Its totient is φ = 14608935552.

The previous prime is 22012112989. The next prime is 22012113061. The reversal of 22012113021 is 12031121022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22012113021 - 2⁵ = 22012112989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012113061) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16450836 + ... + 16452173.

It is an arithmetic number, because the mean of its divisors is an integer number (3685137120).

Almost surely, 2^22012113021 is an apocalyptic number.

It is an amenable number.

22012113021 is a deficient number, since it is larger than the sum of its proper divisors (7468983939).

22012113021 is a wasteful number, since it uses less digits than its factorization.

22012113021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32903235.

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

Adding to 22012113021 its reverse (12031121022), we get a palindrome (34043234043).

The spelling of 22012113021 in words is "twenty-two billion, twelve million, one hundred thirteen thousand, twenty-one".