29011022011091 has 8 divisors (see below), whose sum is σ = 29222529604800. Its totient is φ = 28799554349160.

The previous prime is 29011022011073. The next prime is 29011022011133. The reversal of 29011022011091 is 19011022011092.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29011022011091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29011022011021) 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, 8523845 + ... + 11431446.

It is an arithmetic number, because the mean of its divisors is an integer number (3652816200600).

Almost surely, 2^{29011022011091} is an apocalyptic number.

29011022011091 is a deficient number, since it is larger than the sum of its proper divisors (211507593709).

29011022011091 is a wasteful number, since it uses less digits than its factorization.

29011022011091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19965889.

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

Subtracting from 29011022011091 its reverse (19011022011092), we obtain a palindrome (9999999999999).

The spelling of 29011022011091 in words is "twenty-nine trillion, eleven billion, twenty-two million, eleven thousand, ninety-one".