90101101012 has 24 divisors (see below), whose sum is σ = 169818064416. Its totient is φ = 41582149728.

The previous prime is 90101101001. The next prime is 90101101031. The reversal of 90101101012 is 21010110109.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781563 + ... + 889405.

It is an arithmetic number, because the mean of its divisors is an integer number (7075752684).

Almost surely, 2^90101101012 is an apocalyptic number.

It is an amenable number.

90101101012 is a deficient number, since it is larger than the sum of its proper divisors (79716963404).

90101101012 is a wasteful number, since it uses less digits than its factorization.

90101101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123927 (or 123925 counting only the distinct ones).

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

The spelling of 90101101012 in words is "ninety billion, one hundred one million, one hundred one thousand, twelve".