2102120210202 has 16 divisors (see below), whose sum is σ = 4228542390240. Its totient is φ = 696656408432.

The previous prime is 2102120210159. The next prime is 2102120210207. The reversal of 2102120210202 is 2020120212012.

It is not an unprimeable number, because it can be changed into a prime (2102120210207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012580952 + ... + 1012583027.

It is an arithmetic number, because the mean of its divisors is an integer number (264283899390).

Almost surely, 2^{2102120210202} is an apocalyptic number.

2102120210202 is an abundant number, since it is smaller than the sum of its proper divisors (2126422180038).

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

2102120210202 is a wasteful number, since it uses less digits than its factorization.

2102120210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025164157.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2102120210202 its reverse (2020120212012), we get a palindrome (4122240422214).

The spelling of 2102120210202 in words is "two trillion, one hundred two billion, one hundred twenty million, two hundred ten thousand, two hundred two".