1001172304211 has 32 divisors (see below), whose sum is σ = 1152090501120. Its totient is φ = 863711769600.

The previous prime is 1001172304169. The next prime is 1001172304213. The reversal of 1001172304211 is 1124032711001.

It is a cyclic number.

It is not a de Polignac number, because 1001172304211 - 2⁶ = 1001172304147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001172304213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78265226 + ... + 78278016.

It is an arithmetic number, because the mean of its divisors is an integer number (36002828160).

Almost surely, 2^{1001172304211} is an apocalyptic number.

1001172304211 is a deficient number, since it is larger than the sum of its proper divisors (150918196909).

1001172304211 is a wasteful number, since it uses less digits than its factorization.

1001172304211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20675.

The product of its (nonzero) digits is 336, while the sum is 23.

The spelling of 1001172304211 in words is "one trillion, one billion, one hundred seventy-two million, three hundred four thousand, two hundred eleven".