2101022132021 has 16 divisors (see below), whose sum is σ = 2110937034240. Its totient is φ = 2091137039040.

The previous prime is 2101022132017. The next prime is 2101022132063. The reversal of 2101022132021 is 1202312201012.

It is a cyclic number.

It is not a de Polignac number, because 2101022132021 - 2² = 2101022132017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101022137021) 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 15 ways as a sum of consecutive naturals, for example, 426081926 + ... + 426086856.

It is an arithmetic number, because the mean of its divisors is an integer number (131933564640).

Almost surely, 2^{2101022132021} is an apocalyptic number.

It is an amenable number.

2101022132021 is a deficient number, since it is larger than the sum of its proper divisors (9914902219).

2101022132021 is a wasteful number, since it uses less digits than its factorization.

2101022132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7564.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2101022132021 its reverse (1202312201012), we get a palindrome (3303334333033).

The spelling of 2101022132021 in words is "two trillion, one hundred one billion, twenty-two million, one hundred thirty-two thousand, twenty-one".