2113222300021 has 48 divisors (see below), whose sum is σ = 2539330984960. Its totient is φ = 1720923252480.

The previous prime is 2113222299983. The next prime is 2113222300027. The reversal of 2113222300021 is 1200032223112.

It is not a de Polignac number, because 2113222300021 - 2¹⁹ = 2113221775733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113222300027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 807496705 + ... + 807499321.

Almost surely, 2^{2113222300021} is an apocalyptic number.

It is an amenable number.

2113222300021 is a deficient number, since it is larger than the sum of its proper divisors (426108684939).

2113222300021 is a wasteful number, since it uses less digits than its factorization.

2113222300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842 (or 3783 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2113222300021 its reverse (1200032223112), we get a palindrome (3313254523133).

The spelling of 2113222300021 in words is "two trillion, one hundred thirteen billion, two hundred twenty-two million, three hundred thousand, twenty-one".