74120211111101 has 4 divisors (see below), whose sum is σ = 76511185663104. Its totient is φ = 71729236559100.

The previous prime is 74120211111097. The next prime is 74120211111103. The reversal of 74120211111101 is 10111111202147.

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 74120211111101 - 2² = 74120211111097 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 (74120211111103) 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, 1195487275955 + ... + 1195487276016.

It is an arithmetic number, because the mean of its divisors is an integer number (19127796415776).

Almost surely, 2^{74120211111101} is an apocalyptic number.

It is an amenable number.

74120211111101 is a deficient number, since it is larger than the sum of its proper divisors (2390974552003).

74120211111101 is a wasteful number, since it uses less digits than its factorization.

74120211111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390974552002.

The product of its (nonzero) digits is 112, while the sum is 23.

Adding to 74120211111101 its reverse (10111111202147), we get a palindrome (84231322313248).

The spelling of 74120211111101 in words is "seventy-four trillion, one hundred twenty billion, two hundred eleven million, one hundred eleven thousand, one hundred one".