211211111201022 has 32 divisors (see below), whose sum is σ = 494061078835200. Its totient is φ = 66698245642104.

The previous prime is 211211111201017. The next prime is 211211111201039. The reversal of 211211111201022 is 220102111112112.

It is a happy number.

It is a super-2 number, since 2×211211111201022² (a number of 29 digits) contains 22 as substring.

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 = 211211111200986 and 211211111201004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102929390398 + ... + 102929392449.

It is an arithmetic number, because the mean of its divisors is an integer number (15439408713600).

Almost surely, 2^{211211111201022} is an apocalyptic number.

211211111201022 is an abundant number, since it is smaller than the sum of its proper divisors (282849967634178).

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

211211111201022 is a wasteful number, since it uses less digits than its factorization.

211211111201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205858782877 (or 205858782871 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 211211111201022 its reverse (220102111112112), we get a palindrome (431313222313134).

The spelling of 211211111201022 in words is "two hundred eleven trillion, two hundred eleven billion, one hundred eleven million, two hundred one thousand, twenty-two".