90722101111 has 4 divisors (see below), whose sum is σ = 96058695312. Its totient is φ = 85385506912.

The previous prime is 90722101109. The next prime is 90722101159. The reversal of 90722101111 is 11110122709.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90722101111 - 2¹ = 90722101109 is a prime.

It is a super-3 number, since 3×90722101111³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90722102111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2668297075 + ... + 2668297108.

It is an arithmetic number, because the mean of its divisors is an integer number (24014673828).

Almost surely, 2^90722101111 is an apocalyptic number.

90722101111 is a deficient number, since it is larger than the sum of its proper divisors (5336594201).

90722101111 is a wasteful number, since it uses less digits than its factorization.

90722101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5336594200.

The product of its (nonzero) digits is 252, while the sum is 25.

The spelling of 90722101111 in words is "ninety billion, seven hundred twenty-two million, one hundred one thousand, one hundred eleven".