39992122201 has 4 divisors (see below), whose sum is σ = 40246849252. Its totient is φ = 39737395152.

The previous prime is 39992122189. The next prime is 39992122259. The reversal of 39992122201 is 10222129993.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11658816576 + 28333305625 = 107976^2 + 168325^2 .

It is a cyclic number.

It is not a de Polignac number, because 39992122201 - 2⁵ = 39992122169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39992122801) 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, 127363290 + ... + 127363603.

It is an arithmetic number, because the mean of its divisors is an integer number (10061712313).

Almost surely, 2^39992122201 is an apocalyptic number.

It is an amenable number.

39992122201 is a deficient number, since it is larger than the sum of its proper divisors (254727051).

39992122201 is a wasteful number, since it uses less digits than its factorization.

39992122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254727050.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 39992122201 in words is "thirty-nine billion, nine hundred ninety-two million, one hundred twenty-two thousand, two hundred one".