2100020112210 has 96 divisors (see below), whose sum is σ = 5405164877952. Its totient is φ = 521179845120.

The previous prime is 2100020112209. The next prime is 2100020112259. The reversal of 2100020112210 is 122110200012.

It is a Curzon 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, 166971 + ... + 2056190.

It is an arithmetic number, because the mean of its divisors is an integer number (56303800812).

Almost surely, 2^{2100020112210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100020112210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2702582438976).

2100020112210 is an abundant number, since it is smaller than the sum of its proper divisors (3305144765742).

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

2100020112210 is a wasteful number, since it uses less digits than its factorization.

2100020112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223268 (or 2223231 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2100020112210 its reverse (122110200012), we get a palindrome (2222130312222).

The spelling of 2100020112210 in words is "two trillion, one hundred billion, twenty million, one hundred twelve thousand, two hundred ten".