2102202021010 has 128 divisors (see below), whose sum is σ = 4861218862080. Its totient is φ = 636183161856.

The previous prime is 2102202020939. The next prime is 2102202021071. The reversal of 2102202021010 is 101202022012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73931476 + ... + 73959904.

It is an arithmetic number, because the mean of its divisors is an integer number (37978272360).

Almost surely, 2^{2102202021010} is an apocalyptic number.

2102202021010 is an abundant number, since it is smaller than the sum of its proper divisors (2759016841070).

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

2102202021010 is a wasteful number, since it uses less digits than its factorization.

2102202021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32012.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2102202021010 its reverse (101202022012), we get a palindrome (2203404043022).

The spelling of 2102202021010 in words is "two trillion, one hundred two billion, two hundred two million, twenty-one thousand, ten".