212100100101002 has 8 divisors (see below), whose sum is σ = 320472414021636. Its totient is φ = 105275962093792.

The previous prime is 212100100100983. The next prime is 212100100101011. The reversal of 212100100101002 is 200101001001212.

It can be written as a sum of positive squares in 2 ways, for example, as 188362147291081 + 23737952809921 = 13724509^2 + 4872161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×212100100101002² (a number of 29 digits) contains 22 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, 387043978013 + ... + 387043978560.

Almost surely, 2^{212100100101002} is an apocalyptic number.

212100100101002 is a deficient number, since it is larger than the sum of its proper divisors (108372313920634).

212100100101002 is a wasteful number, since it uses less digits than its factorization.

212100100101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774087956712.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212100100101002 its reverse (200101001001212), we get a palindrome (412201101102214).

The spelling of 212100100101002 in words is "two hundred twelve trillion, one hundred billion, one hundred million, one hundred one thousand, two".