202101010202010 has 128 divisors (see below), whose sum is σ = 527617443133440. Its totient is φ = 49375962720000.

The previous prime is 202101010201901. The next prime is 202101010202011. The reversal of 202101010202010 is 10202010101202.

It is not an unprimeable number, because it can be changed into a prime (202101010202011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38344566 + ... + 43295585.

It is an arithmetic number, because the mean of its divisors is an integer number (4122011274480).

Almost surely, 2^{202101010202010} is an apocalyptic number.

202101010202010 is an abundant number, since it is smaller than the sum of its proper divisors (325516432931430).

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

202101010202010 is a wasteful number, since it uses less digits than its factorization.

202101010202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81640324.

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

Adding to 202101010202010 its reverse (10202010101202), we get a palindrome (212303020303212).

The spelling of 202101010202010 in words is "two hundred two trillion, one hundred one billion, ten million, two hundred two thousand, ten".