211232022102 has 20 divisors (see below), whose sum is σ = 473316198036. Its totient is φ = 70410673980.

The previous prime is 211232022097. The next prime is 211232022109. The reversal of 211232022102 is 201220232112.

211232022102 is a `hidden beast` number, since 211 + 232 + 0 + 221 + 0 + 2 = 666.

It is a super-2 number, since 2×211232022102² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211232022109) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 651950524 + ... + 651950847.

Almost surely, 2^211232022102 is an apocalyptic number.

211232022102 is an abundant number, since it is smaller than the sum of its proper divisors (262084175934).

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

211232022102 is a wasteful number, since it uses less digits than its factorization.

211232022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303901385 (or 1303901376 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 211232022102 its reverse (201220232112), we get a palindrome (412452254214).

The spelling of 211232022102 in words is "two hundred eleven billion, two hundred thirty-two million, twenty-two thousand, one hundred two".