22101000012212 has 24 divisors (see below), whose sum is σ = 42195295595712. Its totient is φ = 10045319241600.

The previous prime is 22101000012187. The next prime is 22101000012241. The reversal of 22101000012212 is 21221000010122.

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, 13988048 + ... + 15487655.

It is an arithmetic number, because the mean of its divisors is an integer number (1758137316488).

Almost surely, 2^{22101000012212} is an apocalyptic number.

22101000012212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22101000012212 is a deficient number, since it is larger than the sum of its proper divisors (20094295583500).

22101000012212 is a wasteful number, since it uses less digits than its factorization.

22101000012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29492759 (or 29492757 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22101000012212 its reverse (21221000010122), we get a palindrome (43322000022334).

The spelling of 22101000012212 in words is "twenty-two trillion, one hundred one billion, twelve thousand, two hundred twelve".