210020122121022 has 24 divisors (see below), whose sum is σ = 455043866584320. Its totient is φ = 70006666042080.

The previous prime is 210020122121021. The next prime is 210020122121027. The reversal of 210020122121022 is 220121221020012.

It is a happy number.

210020122121022 is a `hidden beast` number, since 2 + 10 + 0 + 201 + 221 + 210 + 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 = 210020122120986 and 210020122121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210020122121021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52097122 + ... + 55983482.

It is an arithmetic number, because the mean of its divisors is an integer number (18960161107680).

Almost surely, 2^{210020122121022} is an apocalyptic number.

210020122121022 is an abundant number, since it is smaller than the sum of its proper divisors (245023744463298).

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

210020122121022 is a wasteful number, since it uses less digits than its factorization.

210020122121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6888608 (or 6888605 counting only the distinct ones).

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

Adding to 210020122121022 its reverse (220121221020012), we get a palindrome (430141343141034).

The spelling of 210020122121022 in words is "two hundred ten trillion, twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty-two".