210021100211012 has 24 divisors (see below), whose sum is σ = 380222775255960. Its totient is φ = 101386253239040.

The previous prime is 210021100210991. The next prime is 210021100211023. The reversal of 210021100211012 is 210112001120012.

It can be written as a sum of positive squares in 4 ways, for example, as 2763154851076 + 207257945359936 = 1662274^2 + 14396456^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25315289 + ... + 32571552.

It is an arithmetic number, because the mean of its divisors is an integer number (15842615635665).

Almost surely, 2^{210021100211012} is an apocalyptic number.

It is an amenable number.

210021100211012 is a deficient number, since it is larger than the sum of its proper divisors (170201675044948).

210021100211012 is a wasteful number, since it uses less digits than its factorization.

210021100211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57918151 (or 57918149 counting only the distinct ones).

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

Adding to 210021100211012 its reverse (210112001120012), we get a palindrome (420133101331024).

The spelling of 210021100211012 in words is "two hundred ten trillion, twenty-one billion, one hundred million, two hundred eleven thousand, twelve".