211220222020022 has 16 divisors (see below), whose sum is σ = 330605970785280. Its totient is φ = 101018243032872.

The previous prime is 211220222020007. The next prime is 211220222020033. The reversal of 211220222020022 is 220020222022112.

It is a super-2 number, since 2×211220222020022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211220222019976 and 211220222020003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43101179 + ... + 47750937.

It is an arithmetic number, because the mean of its divisors is an integer number (20662873174080).

Almost surely, 2^{211220222020022} is an apocalyptic number.

211220222020022 is a deficient number, since it is larger than the sum of its proper divisors (119385748765258).

211220222020022 is a wasteful number, since it uses less digits than its factorization.

211220222020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637307.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 211220222020022 its reverse (220020222022112), we get a palindrome (431240444042134).

The spelling of 211220222020022 in words is "two hundred eleven trillion, two hundred twenty billion, two hundred twenty-two million, twenty thousand, twenty-two".