2179194451211 has 2 divisors, whose sum is σ = 2179194451212. Its totient is φ = 2179194451210.

The previous prime is 2179194451123. The next prime is 2179194451241. The reversal of 2179194451211 is 1121544919712.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2179194451211 - 2²⁶ = 2179127342347 is a prime.

It is a super-2 number, since 2×2179194451211² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2179194451241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1089597225605 + 1089597225606.

It is an arithmetic number, because the mean of its divisors is an integer number (1089597225606).

Almost surely, 2^{2179194451211} is an apocalyptic number.

2179194451211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2179194451211 is an equidigital number, since it uses as much as digits as its factorization.

2179194451211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 47.

The spelling of 2179194451211 in words is "two trillion, one hundred seventy-nine billion, one hundred ninety-four million, four hundred fifty-one thousand, two hundred eleven".