201022102101010 has 16 divisors (see below), whose sum is σ = 361847909059416. Its totient is φ = 80407035223168.

The previous prime is 201022102100983. The next prime is 201022102101019. The reversal of 201022102101010 is 10101201220102.

It can be written as a sum of positive squares in 4 ways, for example, as 180211051881441 + 20811050219569 = 13424271^2 + 4561913^2 .

It is not an unprimeable number, because it can be changed into a prime (201022102101019) 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, 225234517 + ... + 226125256.

Almost surely, 2^{201022102101010} is an apocalyptic number.

201022102101010 is a deficient number, since it is larger than the sum of its proper divisors (160825806958406).

201022102101010 is a wasteful number, since it uses less digits than its factorization.

201022102101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451404317.

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

Adding to 201022102101010 its reverse (10101201220102), we get a palindrome (211123303321112).

The spelling of 201022102101010 in words is "two hundred one trillion, twenty-two billion, one hundred two million, one hundred one thousand, ten".