20210122200222 has 12 divisors (see below), whose sum is σ = 43788598100520. Its totient is φ = 6736707400068.

The previous prime is 20210122200211. The next prime is 20210122200241. The reversal of 20210122200222 is 22200222101202.

20210122200222 is a `hidden beast` number, since 2 + 0 + 210 + 12 + 220 + 0 + 222 = 666.

It is a super-2 number, since 2×20210122200222² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1122784566679 = 20210122200222 / (2 + 0 + 2 + 1 + 0 + 1 + 2 + 2 + 2 + 0 + 0 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 20210122200195 and 20210122200204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561392283322 + ... + 561392283357.

It is an arithmetic number, because the mean of its divisors is an integer number (3649049841710).

Almost surely, 2^{20210122200222} is an apocalyptic number.

20210122200222 is an abundant number, since it is smaller than the sum of its proper divisors (23578475900298).

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

20210122200222 is a wasteful number, since it uses less digits than its factorization.

20210122200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122784566687 (or 1122784566684 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20210122200222 its reverse (22200222101202), we get a palindrome (42410344301424).

The spelling of 20210122200222 in words is "twenty trillion, two hundred ten billion, one hundred twenty-two million, two hundred thousand, two hundred twenty-two".