121743314373277 has 4 divisors (see below), whose sum is σ = 123560378766976. Its totient is φ = 119926249979580.

The previous prime is 121743314373271. The next prime is 121743314373379. The reversal of 121743314373277 is 772373413347121.

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 not a de Polignac number, because 121743314373277 - 2²³ = 121743305984669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121743314373271) 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, 908532196749 + ... + 908532196882.

It is an arithmetic number, because the mean of its divisors is an integer number (30890094691744).

Almost surely, 2^{121743314373277} is an apocalyptic number.

It is an amenable number.

121743314373277 is a deficient number, since it is larger than the sum of its proper divisors (1817064393699).

121743314373277 is an equidigital number, since it uses as much as digits as its factorization.

121743314373277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817064393698.

The product of its digits is 12446784, while the sum is 55.

The spelling of 121743314373277 in words is "one hundred twenty-one trillion, seven hundred forty-three billion, three hundred fourteen million, three hundred seventy-three thousand, two hundred seventy-seven".