101100222001191 has 24 divisors (see below), whose sum is σ = 166032537456240. Its totient is φ = 54373228637952.

The previous prime is 101100222001099. The next prime is 101100222001193. The reversal of 101100222001191 is 191100222001101.

It is not a de Polignac number, because 101100222001191 - 2¹⁷ = 101100221870119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100222001193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20228133156 + ... + 20228138153.

It is an arithmetic number, because the mean of its divisors is an integer number (6918022394010).

Almost surely, 2^{101100222001191} is an apocalyptic number.

101100222001191 is a deficient number, since it is larger than the sum of its proper divisors (64932315455049).

101100222001191 is a wasteful number, since it uses less digits than its factorization.

101100222001191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40456271343 (or 40456271336 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 21.

Adding to 101100222001191 its reverse (191100222001101), we get a palindrome (292200444002292).

The spelling of 101100222001191 in words is "one hundred one trillion, one hundred billion, two hundred twenty-two million, one thousand, one hundred ninety-one".