2021120101002 has 64 divisors (see below), whose sum is σ = 4555904745600. Its totient is φ = 593954887680.

The previous prime is 2021120101001. The next prime is 2021120101043. The reversal of 2021120101002 is 2001010211202.

It is not an unprimeable number, because it can be changed into a prime (2021120101001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5686449 + ... + 6031412.

It is an arithmetic number, because the mean of its divisors is an integer number (71186011650).

Almost surely, 2^{2021120101002} is an apocalyptic number.

2021120101002 is an abundant number, since it is smaller than the sum of its proper divisors (2534784644598).

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

2021120101002 is a wasteful number, since it uses less digits than its factorization.

2021120101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11717991.

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

Adding to 2021120101002 its reverse (2001010211202), we get a palindrome (4022130312204).

The spelling of 2021120101002 in words is "two trillion, twenty-one billion, one hundred twenty million, one hundred one thousand, two".