212100121010104 has 96 divisors (see below), whose sum is σ = 412849446282000. Its totient is φ = 102129045765120.

The previous prime is 212100121010081. The next prime is 212100121010123. The reversal of 212100121010104 is 401010121001212.

It is a super-2 number, since 2×212100121010104² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337398672 + ... + 338026720.

Almost surely, 2^{212100121010104} is an apocalyptic number.

It is an amenable number.

212100121010104 is a deficient number, since it is larger than the sum of its proper divisors (200749325271896).

212100121010104 is a wasteful number, since it uses less digits than its factorization.

212100121010104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628421 (or 628358 counting only the distinct ones).

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

Adding to 212100121010104 its reverse (401010121001212), we get a palindrome (613110242011316).

The spelling of 212100121010104 in words is "two hundred twelve trillion, one hundred billion, one hundred twenty-one million, ten thousand, one hundred four".