2122113001021 has 16 divisors (see below), whose sum is σ = 2357458596864. Its totient is φ = 1897534741824.

The previous prime is 2122113000983. The next prime is 2122113001067. The reversal of 2122113001021 is 1201003112212.

It is not a de Polignac number, because 2122113001021 - 2²⁹ = 2121576130109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122113000986 and 2122113001004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122113004021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9608605 + ... + 9826978.

It is an arithmetic number, because the mean of its divisors is an integer number (147341162304).

Almost surely, 2^{2122113001021} is an apocalyptic number.

It is an amenable number.

2122113001021 is a deficient number, since it is larger than the sum of its proper divisors (235345595843).

2122113001021 is a wasteful number, since it uses less digits than its factorization.

2122113001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19435860.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2122113001021 its reverse (1201003112212), we get a palindrome (3323116113233).

The spelling of 2122113001021 in words is "two trillion, one hundred twenty-two billion, one hundred thirteen million, one thousand, twenty-one".