29901113121 has 8 divisors (see below), whose sum is σ = 43492528224. Its totient is φ = 18121886720.

The previous prime is 29901113113. The next prime is 29901113129. The reversal of 29901113121 is 12131110992.

It is an interprime number because it is at equal distance from previous prime (29901113113) and next prime (29901113129).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29901113121 - 2³ = 29901113113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29901113129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453047136 + ... + 453047201.

It is an arithmetic number, because the mean of its divisors is an integer number (5436566028).

Almost surely, 2^29901113121 is an apocalyptic number.

It is an amenable number.

29901113121 is a deficient number, since it is larger than the sum of its proper divisors (13591415103).

29901113121 is a wasteful number, since it uses less digits than its factorization.

29901113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906094351.

The product of its (nonzero) digits is 972, while the sum is 30.

It can be divided in two parts, 2990 and 1113121, that added together give a palindrome (1116111).

The spelling of 29901113121 in words is "twenty-nine billion, nine hundred one million, one hundred thirteen thousand, one hundred twenty-one".