2021010111210 has 64 divisors (see below), whose sum is σ = 4859343373824. Its totient is φ = 537945408000.

The previous prime is 2021010111187. The next prime is 2021010111221. The reversal of 2021010111210 is 121110101202.

It is a super-2 number, since 2×2021010111210² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115141935 + ... + 115159485.

It is an arithmetic number, because the mean of its divisors is an integer number (75927240216).

Almost surely, 2^{2021010111210} is an apocalyptic number.

2021010111210 is an abundant number, since it is smaller than the sum of its proper divisors (2838333262614).

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

2021010111210 is a wasteful number, since it uses less digits than its factorization.

2021010111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24399.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2021010111210 its reverse (121110101202), we get a palindrome (2142120212412).

The spelling of 2021010111210 in words is "two trillion, twenty-one billion, ten million, one hundred eleven thousand, two hundred ten".