201000121119979 has 4 divisors (see below), whose sum is σ = 201000475072584. Its totient is φ = 200999767167376.

The previous prime is 201000121119971. The next prime is 201000121119989. The reversal of 201000121119979 is 979911121000102.

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

It is a cyclic number.

It is not a de Polignac number, because 201000121119979 - 2³ = 201000121119971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201000121119971) 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, 176123122 + ... + 177260695.

It is an arithmetic number, because the mean of its divisors is an integer number (50250118768146).

Almost surely, 2^{201000121119979} is an apocalyptic number.

201000121119979 is a deficient number, since it is larger than the sum of its proper divisors (353952605).

201000121119979 is an equidigital number, since it uses as much as digits as its factorization.

201000121119979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353952604.

The product of its (nonzero) digits is 20412, while the sum is 43.

The spelling of 201000121119979 in words is "two hundred one trillion, one hundred twenty-one million, one hundred nineteen thousand, nine hundred seventy-nine".