2101020120210 has 64 divisors (see below), whose sum is σ = 5523678002304. Its totient is φ = 507224755200.

The previous prime is 2101020120193. The next prime is 2101020120271. The reversal of 2101020120210 is 120210201012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13129449 + ... + 13288508.

It is an arithmetic number, because the mean of its divisors is an integer number (86307468786).

Almost surely, 2^{2101020120210} is an apocalyptic number.

2101020120210 is an abundant number, since it is smaller than the sum of its proper divisors (3422657882094).

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

2101020120210 is a wasteful number, since it uses less digits than its factorization.

2101020120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26418219.

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

Adding to 2101020120210 its reverse (120210201012), we get a palindrome (2221230321222).

The spelling of 2101020120210 in words is "two trillion, one hundred one billion, twenty million, one hundred twenty thousand, two hundred ten".