101010001011091 has 8 divisors (see below), whose sum is σ = 106328336748480. Its totient is φ = 95691867263208.

The previous prime is 101010001010981. The next prime is 101010001011107. The reversal of 101010001011091 is 190110100010101.

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-101010001011091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101010001011991) 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, 49470361 + ... + 51471706.

It is an arithmetic number, because the mean of its divisors is an integer number (13291042093560).

Almost surely, 2^{101010001011091} is an apocalyptic number.

101010001011091 is a deficient number, since it is larger than the sum of its proper divisors (5318335737389).

101010001011091 is a wasteful number, since it uses less digits than its factorization.

101010001011091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100994753.

The product of its (nonzero) digits is 9, while the sum is 16.

Adding to 101010001011091 its reverse (190110100010101), we get a palindrome (291120101021192).

The spelling of 101010001011091 in words is "one hundred one trillion, ten billion, one million, eleven thousand, ninety-one".