2021101021210 has 16 divisors (see below), whose sum is σ = 3649679534592. Its totient is φ = 805840920400.

The previous prime is 2021101021157. The next prime is 2021101021229. The reversal of 2021101021210 is 121201011202.

It is a super-2 number, since 2×2021101021210² (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 7 ways as a sum of consecutive naturals, for example, 324932746 + ... + 324938965.

It is an arithmetic number, because the mean of its divisors is an integer number (228104970912).

Almost surely, 2^{2021101021210} is an apocalyptic number.

2021101021210 is a deficient number, since it is larger than the sum of its proper divisors (1628578513382).

2021101021210 is a wasteful number, since it uses less digits than its factorization.

2021101021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649872029.

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

Adding to 2021101021210 its reverse (121201011202), we get a palindrome (2142302032412).

The spelling of 2021101021210 in words is "two trillion, twenty-one billion, one hundred one million, twenty-one thousand, two hundred ten".