22021122110202 has 12 divisors (see below), whose sum is σ = 47712431238810. Its totient is φ = 7340374036728.

The previous prime is 22021122110191. The next prime is 22021122110257. The reversal of 22021122110202 is 20201122112022.

It is a happy number.

22021122110202 is a `hidden beast` number, since 2 + 20 + 211 + 221 + 10 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15476678589681 + 6544443520521 = 3934041^2 + 2558211^2 .

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: 1223395672789 = 22021122110202 / (2 + 2 + 0 + 2 + 1 + 1 + 2 + 2 + 1 + 1 + 0 + 2 + 0 + 2).

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, 611697836377 + ... + 611697836412.

Almost surely, 2^{22021122110202} is an apocalyptic number.

22021122110202 is an abundant number, since it is smaller than the sum of its proper divisors (25691309128608).

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

22021122110202 is a wasteful number, since it uses less digits than its factorization.

22021122110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223395672797 (or 1223395672794 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22021122110202 its reverse (20201122112022), we get a palindrome (42222244222224).

The spelling of 22021122110202 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-two million, one hundred ten thousand, two hundred two".