22211210111022 has 48 divisors (see below), whose sum is σ = 48267153475632. Its totient is φ = 7381789148160.

The previous prime is 22211210111009. The next prime is 22211210111053. The reversal of 22211210111022 is 22011101211222.

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 = 22211210110986 and 22211210111004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7104568 + ... + 9741524.

It is an arithmetic number, because the mean of its divisors is an integer number (1005565697409).

Almost surely, 2^{22211210111022} is an apocalyptic number.

22211210111022 is an abundant number, since it is smaller than the sum of its proper divisors (26055943364610).

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

22211210111022 is a wasteful number, since it uses less digits than its factorization.

22211210111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638353 (or 2638350 counting only the distinct ones).

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

Adding to 22211210111022 its reverse (22011101211222), we get a palindrome (44222311322244).

The spelling of 22211210111022 in words is "twenty-two trillion, two hundred eleven billion, two hundred ten million, one hundred eleven thousand, twenty-two".