2113032103121 has 4 divisors (see below), whose sum is σ = 2113120638372. Its totient is φ = 2112943567872.

The previous prime is 2113032103103. The next prime is 2113032103151. The reversal of 2113032103121 is 1213012303112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1030964052496 + 1082068050625 = 1015364^2 + 1040225^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113032103121 - 2⁶ = 2113032103057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113032103093 and 2113032103102.

It is not an unprimeable number, because it can be changed into a prime (2113032103151) 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 3 ways as a sum of consecutive naturals, for example, 44231816 + ... + 44279561.

It is an arithmetic number, because the mean of its divisors is an integer number (528280159593).

Almost surely, 2^{2113032103121} is an apocalyptic number.

It is an amenable number.

2113032103121 is a deficient number, since it is larger than the sum of its proper divisors (88535251).

2113032103121 is an equidigital number, since it uses as much as digits as its factorization.

2113032103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88535250.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2113032103121 its reverse (1213012303112), we get a palindrome (3326044406233).

The spelling of 2113032103121 in words is "two trillion, one hundred thirteen billion, thirty-two million, one hundred three thousand, one hundred twenty-one".