211210112020110 has 192 divisors, whose sum is σ = 591829240511232. Its totient is φ = 48099385281024.

The previous prime is 211210112020051. The next prime is 211210112020133. The reversal of 211210112020110 is 11020211012112.

It is a happy number.

It is a super-2 number, since 2×211210112020110² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211210112020110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3424979497 + ... + 3425041163.

It is an arithmetic number, because the mean of its divisors is an integer number (3082443960996).

Almost surely, 2^{211210112020110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211210112020110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295914620255616).

211210112020110 is an abundant number, since it is smaller than the sum of its proper divisors (380619128491122).

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

211210112020110 is a wasteful number, since it uses less digits than its factorization.

211210112020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70207 (or 70200 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211210112020110 its reverse (11020211012112), we get a palindrome (222230323032222).

The spelling of 211210112020110 in words is "two hundred eleven trillion, two hundred ten billion, one hundred twelve million, twenty thousand, one hundred ten".