121120011313 has 4 divisors (see below), whose sum is σ = 138422870080. Its totient is φ = 103817152548.

The previous prime is 121120011293. The next prime is 121120011329. The reversal of 121120011313 is 313110021121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313110021121 = 47 ⋅6661915343.

It is a cyclic number.

It is not a de Polignac number, because 121120011313 - 2³³ = 112530076721 is a prime.

It is a super-2 number, since 2×121120011313² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121120011013) 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, 8651429373 + ... + 8651429386.

It is an arithmetic number, because the mean of its divisors is an integer number (34605717520).

Almost surely, 2^121120011313 is an apocalyptic number.

It is an amenable number.

121120011313 is a deficient number, since it is larger than the sum of its proper divisors (17302858767).

121120011313 is an equidigital number, since it uses as much as digits as its factorization.

121120011313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17302858766.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 121120011313 its reverse (313110021121), we get a palindrome (434230032434).

The spelling of 121120011313 in words is "one hundred twenty-one billion, one hundred twenty million, eleven thousand, three hundred thirteen".