211222110220022 has 32 divisors (see below), whose sum is σ = 347861130180480. Its totient is φ = 95392362424320.

The previous prime is 211222110220007. The next prime is 211222110220027. The reversal of 211222110220022 is 220022011222112.

It is a super-2 number, since 2×211222110220022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211222110219976 and 211222110220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222110220027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3091013 + ... + 20784575.

It is an arithmetic number, because the mean of its divisors is an integer number (10870660318140).

Almost surely, 2^{211222110220022} is an apocalyptic number.

211222110220022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211222110220022 is a deficient number, since it is larger than the sum of its proper divisors (136639019960458).

211222110220022 is a wasteful number, since it uses less digits than its factorization.

211222110220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17697068.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211222110220022 its reverse (220022011222112), we get a palindrome (431244121442134).

The spelling of 211222110220022 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred ten million, two hundred twenty thousand, twenty-two".