29911112201 has 4 divisors (see below), whose sum is σ = 29919879492. Its totient is φ = 29902344912.

The previous prime is 29911112191. The next prime is 29911112207. The reversal of 29911112201 is 10221111992.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19572289801 + 10338822400 = 139901^2 + 101680^2 .

It is a cyclic number.

It is not a de Polignac number, because 29911112201 - 2²⁶ = 29844003337 is a prime.

It is a super-2 number, since 2×29911112201² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29911112207) 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, 4378526 + ... + 4385351.

It is an arithmetic number, because the mean of its divisors is an integer number (7479969873).

Almost surely, 2^29911112201 is an apocalyptic number.

It is an amenable number.

29911112201 is a deficient number, since it is larger than the sum of its proper divisors (8767291).

29911112201 is an equidigital number, since it uses as much as digits as its factorization.

29911112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8767290.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 29911112201 in words is "twenty-nine billion, nine hundred eleven million, one hundred twelve thousand, two hundred one".