121023213013313 has 32 divisors (see below), whose sum is σ = 135755845120896. Its totient is φ = 107168183958528.

The previous prime is 121023213013309. The next prime is 121023213013357. The reversal of 121023213013313 is 313310312320121.

It is a cyclic number.

It is not a de Polignac number, because 121023213013313 - 2² = 121023213013309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121023213016313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7827395 + ... + 17415927.

It is an arithmetic number, because the mean of its divisors is an integer number (4242370160028).

Almost surely, 2^{121023213013313} is an apocalyptic number.

121023213013313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121023213013313 is a deficient number, since it is larger than the sum of its proper divisors (14732632107583).

121023213013313 is a wasteful number, since it uses less digits than its factorization.

121023213013313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9588993.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 121023213013313 its reverse (313310312320121), we get a palindrome (434333525333434).

The spelling of 121023213013313 in words is "one hundred twenty-one trillion, twenty-three billion, two hundred thirteen million, thirteen thousand, three hundred thirteen".