120121101020113 has 4 divisors (see below), whose sum is σ = 120121275317760. Its totient is φ = 120120926722468.

The previous prime is 120121101020057. The next prime is 120121101020227. The reversal of 120121101020113 is 311020101121021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120121101020113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120121101020513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86110945 + ... + 87494782.

It is an arithmetic number, because the mean of its divisors is an integer number (30030318829440).

Almost surely, 2^{120121101020113} is an apocalyptic number.

It is an amenable number.

120121101020113 is a deficient number, since it is larger than the sum of its proper divisors (174297647).

120121101020113 is an equidigital number, since it uses as much as digits as its factorization.

120121101020113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174297646.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 120121101020113 its reverse (311020101121021), we get a palindrome (431141202141134).

The spelling of 120121101020113 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred one million, twenty thousand, one hundred thirteen".