211211102221022 has 24 divisors (see below), whose sum is σ = 332871356492136. Its totient is φ = 100501243862096.

The previous prime is 211211102221019. The next prime is 211211102221087. The reversal of 211211102221022 is 220122201112112.

It is a super-2 number, since 2×211211102221022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211211102220985 and 211211102221003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506472848 + ... + 506889699.

It is an arithmetic number, because the mean of its divisors is an integer number (13869639853839).

Almost surely, 2^{211211102221022} is an apocalyptic number.

211211102221022 is a deficient number, since it is larger than the sum of its proper divisors (121660254271114).

211211102221022 is a wasteful number, since it uses less digits than its factorization.

211211102221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013362792 (or 1013362769 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211211102221022 its reverse (220122201112112), we get a palindrome (431333303333134).

The spelling of 211211102221022 in words is "two hundred eleven trillion, two hundred eleven billion, one hundred two million, two hundred twenty-one thousand, twenty-two".