29972108211 has 4 divisors (see below), whose sum is σ = 39962810952. Its totient is φ = 19981405472.

The previous prime is 29972108209. The next prime is 29972108249. The reversal of 29972108211 is 11280127992.

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 29972108211 - 2¹ = 29972108209 is a prime.

It is a super-3 number, since 3×29972108211³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (29972108291) 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, 4995351366 + ... + 4995351371.

It is an arithmetic number, because the mean of its divisors is an integer number (9990702738).

Almost surely, 2^29972108211 is an apocalyptic number.

29972108211 is a deficient number, since it is larger than the sum of its proper divisors (9990702741).

29972108211 is an equidigital number, since it uses as much as digits as its factorization.

29972108211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9990702740.

The product of its (nonzero) digits is 36288, while the sum is 42.

The spelling of 29972108211 in words is "twenty-nine billion, nine hundred seventy-two million, one hundred eight thousand, two hundred eleven".