2021012120110 has 16 divisors (see below), whose sum is σ = 3646985102496. Its totient is φ = 806368562208.

The previous prime is 2021012120063. The next prime is 2021012120123. The reversal of 2021012120110 is 110212101202.

It is a congruent number.

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, 254531562 + ... + 254539501.

It is an arithmetic number, because the mean of its divisors is an integer number (227936568906).

Almost surely, 2^{2021012120110} is an apocalyptic number.

2021012120110 is a deficient number, since it is larger than the sum of its proper divisors (1625972982386).

2021012120110 is a wasteful number, since it uses less digits than its factorization.

2021012120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509071467.

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

Adding to 2021012120110 its reverse (110212101202), we get a palindrome (2131224221312).

The spelling of 2021012120110 in words is "two trillion, twenty-one billion, twelve million, one hundred twenty thousand, one hundred ten".