2113420022121 has 16 divisors (see below), whose sum is σ = 2823254022848. Its totient is φ = 1406268864000.

The previous prime is 2113420022107. The next prime is 2113420022143. The reversal of 2113420022121 is 1212200243112.

It is a happy number.

It is not a de Polignac number, because 2113420022121 - 2¹⁷ = 2113419891049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113420022101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3063006 + ... + 3689016.

It is an arithmetic number, because the mean of its divisors is an integer number (176453376428).

Almost surely, 2^{2113420022121} is an apocalyptic number.

It is an amenable number.

2113420022121 is a deficient number, since it is larger than the sum of its proper divisors (709834000727).

2113420022121 is a wasteful number, since it uses less digits than its factorization.

2113420022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628152.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2113420022121 its reverse (1212200243112), we get a palindrome (3325620265233).

The spelling of 2113420022121 in words is "two trillion, one hundred thirteen billion, four hundred twenty million, twenty-two thousand, one hundred twenty-one".