20102210221122 has 16 divisors (see below), whose sum is σ = 44671578269280. Its totient is φ = 6700736740356.

The previous prime is 20102210221117. The next prime is 20102210221153. The reversal of 20102210221122 is 22112201220102.

It is a happy number.

20102210221122 is a `hidden beast` number, since 201 + 0 + 221 + 0 + 221 + 1 + 22 = 666.

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 = 20102210221095 and 20102210221104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186131576068 + ... + 186131576175.

It is an arithmetic number, because the mean of its divisors is an integer number (2791973641830).

Almost surely, 2^{20102210221122} is an apocalyptic number.

20102210221122 is an abundant number, since it is smaller than the sum of its proper divisors (24569368048158).

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

20102210221122 is a wasteful number, since it uses less digits than its factorization.

20102210221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372263152254 (or 372263152248 counting only the distinct ones).

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

Adding to 20102210221122 its reverse (22112201220102), we get a palindrome (42214411441224).

The spelling of 20102210221122 in words is "twenty trillion, one hundred two billion, two hundred ten million, two hundred twenty-one thousand, one hundred twenty-two".