121032111113 has 4 divisors (see below), whose sum is σ = 121036302660. Its totient is φ = 121027919568.

The previous prime is 121032111089. The next prime is 121032111121. The reversal of 121032111113 is 311111230121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311111230121 = 109 ⋅2854231469.

It can be written as a sum of positive squares in 2 ways, for example, as 111959167609 + 9072943504 = 334603^2 + 95252^2 .

It is a cyclic number.

It is not a de Polignac number, because 121032111113 - 2¹² = 121032107017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121032111091 and 121032111100.

It is not an unprimeable number, because it can be changed into a prime (121032113113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2052158 + ... + 2110311.

It is an arithmetic number, because the mean of its divisors is an integer number (30259075665).

Almost surely, 2^121032111113 is an apocalyptic number.

It is an amenable number.

121032111113 is a deficient number, since it is larger than the sum of its proper divisors (4191547).

121032111113 is an equidigital number, since it uses as much as digits as its factorization.

121032111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191546.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 121032111113 its reverse (311111230121), we get a palindrome (432143341234).

The spelling of 121032111113 in words is "one hundred twenty-one billion, thirty-two million, one hundred eleven thousand, one hundred thirteen".