211100111222022 has 96 divisors (see below), whose sum is σ = 528980036742144. Its totient is φ = 60233050612800.

The previous prime is 211100111222003. The next prime is 211100111222023. The reversal of 211100111222022 is 220222111001112.

211100111222022 is a `hidden beast` number, since 211 + 100 + 1 + 112 + 220 + 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 = 211100111221986 and 211100111222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211100111222023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 464534088 + ... + 464988299.

It is an arithmetic number, because the mean of its divisors is an integer number (5510208716064).

Almost surely, 2^{211100111222022} is an apocalyptic number.

211100111222022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211100111222022 is an abundant number, since it is smaller than the sum of its proper divisors (317879925520122).

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

211100111222022 is a wasteful number, since it uses less digits than its factorization.

211100111222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929522474 (or 929522471 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211100111222022 its reverse (220222111001112), we get a palindrome (431322222223134).

It can be divided in two parts, 2111001112 and 22022, that multiplied together give a palindrome (46488466488464).

The spelling of 211100111222022 in words is "two hundred eleven trillion, one hundred billion, one hundred eleven million, two hundred twenty-two thousand, twenty-two".