211102222026 has 16 divisors (see below), whose sum is σ = 423289807200. Its totient is φ = 70186513488.

The previous prime is 211102222013. The next prime is 211102222027. The reversal of 211102222026 is 620222201112.

It is a junction number, because it is equal to n+sod(n) for n = 211102221993 and 211102222011.

It is not an unprimeable number, because it can be changed into a prime (211102222027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45220936 + ... + 45225603.

It is an arithmetic number, because the mean of its divisors is an integer number (26455612950).

Almost surely, 2^211102222026 is an apocalyptic number.

211102222026 is an abundant number, since it is smaller than the sum of its proper divisors (212187585174).

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

211102222026 is a wasteful number, since it uses less digits than its factorization.

211102222026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90446933.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 211102222026 its reverse (620222201112), we get a palindrome (831324423138).

The spelling of 211102222026 in words is "two hundred eleven billion, one hundred two million, two hundred twenty-two thousand, twenty-six".