212100202101102 has 128 divisors (see below), whose sum is σ = 487187582515200. Its totient is φ = 60302300981760.

The previous prime is 212100202101071. The next prime is 212100202101119. The reversal of 212100202101102 is 201101202001212.

It is a super-2 number, since 2×212100202101102² (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 63 ways as a sum of consecutive naturals, for example, 40315565152 + ... + 40315570412.

It is an arithmetic number, because the mean of its divisors is an integer number (3806152988400).

Almost surely, 2^{212100202101102} is an apocalyptic number.

212100202101102 is an abundant number, since it is smaller than the sum of its proper divisors (275087380414098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212100202101102 is a wasteful number, since it uses less digits than its factorization.

212100202101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9426.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212100202101102 its reverse (201101202001212), we get a palindrome (413201404102314).

It can be divided in two parts, 212100 and 202101102, that added together give a palindrome (202313202).

The spelling of 212100202101102 in words is "two hundred twelve trillion, one hundred billion, two hundred two million, one hundred one thousand, one hundred two".