211020120100212 has 96 divisors (see below), whose sum is σ = 527478286325760. Its totient is φ = 65508398567040.

The previous prime is 211020120100157. The next prime is 211020120100243. The reversal of 211020120100212 is 212001021020112.

It is a junction number, because it is equal to n+sod(n) for n = 211020120100191 and 211020120100200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53143912 + ... + 56976447.

It is an arithmetic number, because the mean of its divisors is an integer number (5494565482560).

Almost surely, 2^{211020120100212} is an apocalyptic number.

It is an amenable number.

211020120100212 is an abundant number, since it is smaller than the sum of its proper divisors (316458166225548).

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

211020120100212 is a wasteful number, since it uses less digits than its factorization.

211020120100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110120573 (or 110120571 counting only the distinct ones).

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

Adding to 211020120100212 its reverse (212001021020112), we get a palindrome (423021141120324).

The spelling of 211020120100212 in words is "two hundred eleven trillion, twenty billion, one hundred twenty million, one hundred thousand, two hundred twelve".