211112202020022 has 128 divisors (see below), whose sum is σ = 472097232299520. Its totient is φ = 69928439391360.

The previous prime is 211112202019981. The next prime is 211112202020051. The reversal of 211112202020022 is 220020202211112.

It is a happy number.

211112202020022 is a `hidden beast` number, since 211 + 11 + 220 + 2 + 0 + 200 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211112202019977 and 211112202020004.

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, 21168369828 + ... + 21168379800.

It is an arithmetic number, because the mean of its divisors is an integer number (3688259627340).

Almost surely, 2^{211112202020022} is an apocalyptic number.

211112202020022 is an abundant number, since it is smaller than the sum of its proper divisors (260985030279498).

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

211112202020022 is a wasteful number, since it uses less digits than its factorization.

211112202020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14075 (or 14069 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 211112202020022 its reverse (220020202211112), we get a palindrome (431132404231134).

The spelling of 211112202020022 in words is "two hundred eleven trillion, one hundred twelve billion, two hundred two million, twenty thousand, twenty-two".