2100020120022 has 96 divisors (see below), whose sum is σ = 4860683372160. Its totient is φ = 602736076800.

The previous prime is 2100020119993. The next prime is 2100020120039. The reversal of 2100020120022 is 2200210200012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68858197 + ... + 68888687.

It is an arithmetic number, because the mean of its divisors is an integer number (50632118460).

Almost surely, 2^{2100020120022} is an apocalyptic number.

2100020120022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100020120022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2430341686080).

2100020120022 is an abundant number, since it is smaller than the sum of its proper divisors (2760663252138).

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

2100020120022 is a wasteful number, since it uses less digits than its factorization.

2100020120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35530 (or 35519 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2100020120022 its reverse (2200210200012), we get a palindrome (4300230320034).

The spelling of 2100020120022 in words is "two trillion, one hundred billion, twenty million, one hundred twenty thousand, twenty-two".