91022101100102 has 8 divisors (see below), whose sum is σ = 138261419392800. Its totient is φ = 44934961302504.

The previous prime is 91022101099901. The next prime is 91022101100113. The reversal of 91022101100102 is 20100110122019.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288044623577 + ... + 288044623892.

It is an arithmetic number, because the mean of its divisors is an integer number (17282677424100).

Almost surely, 2^{91022101100102} is an apocalyptic number.

91022101100102 is a deficient number, since it is larger than the sum of its proper divisors (47239318292698).

91022101100102 is a wasteful number, since it uses less digits than its factorization.

91022101100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576089247550.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 91022101100102 in words is "ninety-one trillion, twenty-two billion, one hundred one million, one hundred thousand, one hundred two".