2021020120110 has 64 divisors (see below), whose sum is σ = 4863454285824. Its totient is φ = 537494496000.

The previous prime is 2021020120039. The next prime is 2021020120117. The reversal of 2021020120110 is 110210201202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021020120117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37819410 + ... + 37872810.

It is an arithmetic number, because the mean of its divisors is an integer number (75991473216).

Almost surely, 2^{2021020120110} is an apocalyptic number.

2021020120110 is an abundant number, since it is smaller than the sum of its proper divisors (2842434165714).

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

2021020120110 is a wasteful number, since it uses less digits than its factorization.

2021020120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56769.

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

Adding to 2021020120110 its reverse (110210201202), we get a palindrome (2131230321312).

The spelling of 2021020120110 in words is "two trillion, twenty-one billion, twenty million, one hundred twenty thousand, one hundred ten".