201102020121010 has 16 divisors (see below), whose sum is σ = 362914185418200. Its totient is φ = 80234019337216.

The previous prime is 201102020121007. The next prime is 201102020121061. The reversal of 201102020121010 is 10121020201102.

It can be written as a sum of positive squares in 4 ways, for example, as 166327682382481 + 34774337738529 = 12896809^2 + 5896977^2 .

It is a super-2 number, since 2×201102020121010² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25848584815 + ... + 25848592594.

Almost surely, 2^{201102020121010} is an apocalyptic number.

201102020121010 is a deficient number, since it is larger than the sum of its proper divisors (161812165297190).

201102020121010 is a wasteful number, since it uses less digits than its factorization.

201102020121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51697177805.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201102020121010 its reverse (10121020201102), we get a palindrome (211223040322112).

The spelling of 201102020121010 in words is "two hundred one trillion, one hundred two billion, twenty million, one hundred twenty-one thousand, ten".