121401112373 has 2 divisors, whose sum is σ = 121401112374. Its totient is φ = 121401112372.

The previous prime is 121401112319. The next prime is 121401112379. The reversal of 121401112373 is 373211104121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115051891249 + 6349221124 = 339193^2 + 79682^2 .

It is a cyclic number.

It is not a de Polignac number, because 121401112373 - 2²⁰ = 121400063797 is a prime.

It is a super-2 number, since 2×121401112373² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121401112379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60700556186 + 60700556187.

It is an arithmetic number, because the mean of its divisors is an integer number (60700556187).

Almost surely, 2^121401112373 is an apocalyptic number.

It is an amenable number.

121401112373 is a deficient number, since it is larger than the sum of its proper divisors (1).

121401112373 is an equidigital number, since it uses as much as digits as its factorization.

121401112373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 121401112373 its reverse (373211104121), we get a palindrome (494612216494).

The spelling of 121401112373 in words is "one hundred twenty-one billion, four hundred one million, one hundred twelve thousand, three hundred seventy-three".