29997922739211 has 24 divisors (see below), whose sum is σ = 49558385427200. Its totient is φ = 17128514548656.

The previous prime is 29997922739189. The next prime is 29997922739221. The reversal of 29997922739211 is 11293722979992.

29997922739211 is a `hidden beast` number, since 2 + 9 + 9 + 9 + 7 + 9 + 227 + 392 + 1 + 1 = 666.

It is not a de Polignac number, because 29997922739211 - 2⁹ = 29997922738699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29997922739211.

It is not an unprimeable number, because it can be changed into a prime (29997922739221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182633761 + ... + 182797938.

Almost surely, 2^{29997922739211} is an apocalyptic number.

29997922739211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

29997922739211 is a deficient number, since it is larger than the sum of its proper divisors (19560462687989).

29997922739211 is a wasteful number, since it uses less digits than its factorization.

29997922739211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365433015 (or 365433012 counting only the distinct ones).

The product of its digits is 138883248, while the sum is 72.

The spelling of 29997922739211 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred twenty-two million, seven hundred thirty-nine thousand, two hundred eleven".