2021002101210 has 32 divisors (see below), whose sum is σ = 4853872195200. Its totient is φ = 538548654528.

The previous prime is 2021002101193. The next prime is 2021002101253. The reversal of 2021002101210 is 121012001202.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24034777 + ... + 24118716.

It is an arithmetic number, because the mean of its divisors is an integer number (151683506100).

Almost surely, 2^{2021002101210} is an apocalyptic number.

2021002101210 is an abundant number, since it is smaller than the sum of its proper divisors (2832870093990).

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

2021002101210 is a wasteful number, since it uses less digits than its factorization.

2021002101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48154902.

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

Adding to 2021002101210 its reverse (121012001202), we get a palindrome (2142014102412).

It can be divided in two parts, 2021002 and 101210, that added together give a palindrome (2122212).

The spelling of 2021002101210 in words is "two trillion, twenty-one billion, two million, one hundred one thousand, two hundred ten".