90101110102 has 4 divisors (see below), whose sum is σ = 135151665156. Its totient is φ = 45050555050.

The previous prime is 90101110063. The next prime is 90101110109. The reversal of 90101110102 is 20101110109.

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

It is a super-2 number, since 2×90101110102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90101110109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22525277524 + ... + 22525277527.

It is an arithmetic number, because the mean of its divisors is an integer number (33787916289).

Almost surely, 2^90101110102 is an apocalyptic number.

90101110102 is a deficient number, since it is larger than the sum of its proper divisors (45050555054).

90101110102 is a wasteful number, since it uses less digits than its factorization.

90101110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45050555053.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 90101110102 in words is "ninety billion, one hundred one million, one hundred ten thousand, one hundred two".