21110102010212 has 12 divisors (see below), whose sum is σ = 36945001045680. Its totient is φ = 10554387425736.

The previous prime is 21110102010187. The next prime is 21110102010229. The reversal of 21110102010212 is 21201020101112.

It is a super-3 number, since 3×21110102010212³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165823262 + ... + 165950517.

It is an arithmetic number, because the mean of its divisors is an integer number (3078750087140).

Almost surely, 2^{21110102010212} is an apocalyptic number.

It is an amenable number.

21110102010212 is a deficient number, since it is larger than the sum of its proper divisors (15834899035468).

21110102010212 is a wasteful number, since it uses less digits than its factorization.

21110102010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331789690 (or 331789688 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21110102010212 its reverse (21201020101112), we get a palindrome (42311122111324).

The spelling of 21110102010212 in words is "twenty-one trillion, one hundred ten billion, one hundred two million, ten thousand, two hundred twelve".