21120110102212 has 24 divisors (see below), whose sum is σ = 40719420205632. Its totient is φ = 9505000044000.

The previous prime is 21120110102183. The next prime is 21120110102227. The reversal of 21120110102212 is 21220101102112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2376245568 + ... + 2376254455.

It is an arithmetic number, because the mean of its divisors is an integer number (1696642508568).

Almost surely, 2^{21120110102212} is an apocalyptic number.

21120110102212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21120110102212 is a deficient number, since it is larger than the sum of its proper divisors (19599310103420).

21120110102212 is a wasteful number, since it uses less digits than its factorization.

21120110102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752500139 (or 4752500137 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 21120110102212 its reverse (21220101102112), we get a palindrome (42340211204324).

The spelling of 21120110102212 in words is "twenty-one trillion, one hundred twenty billion, one hundred ten million, one hundred two thousand, two hundred twelve".