121000331013 has 16 divisors (see below), whose sum is σ = 163677261120. Its totient is φ = 79496947584.

The previous prime is 121000330999. The next prime is 121000331069. The reversal of 121000331013 is 310133000121.

It is not a de Polignac number, because 121000331013 - 2⁹ = 121000330501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121000330983 and 121000331001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000331093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44370 + ... + 493932.

It is an arithmetic number, because the mean of its divisors is an integer number (10229828820).

Almost surely, 2^121000331013 is an apocalyptic number.

It is an amenable number.

121000331013 is a deficient number, since it is larger than the sum of its proper divisors (42676930107).

121000331013 is a wasteful number, since it uses less digits than its factorization.

121000331013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450868.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 121000331013 its reverse (310133000121), we get a palindrome (431133331134).

The spelling of 121000331013 in words is "one hundred twenty-one billion, three hundred thirty-one thousand, thirteen".