9091919101100 has 36 divisors (see below), whose sum is σ = 21523052129208. Its totient is φ = 3306152400000.

The previous prime is 9091919101061. The next prime is 9091919101103. The reversal of 9091919101100 is 11019191909.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9091919101103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4132689401 + ... + 4132691600.

Almost surely, 2^{9091919101100} is an apocalyptic number.

It is an amenable number.

9091919101100 is an abundant number, since it is smaller than the sum of its proper divisors (12431133028108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9091919101100 is a wasteful number, since it uses less digits than its factorization.

9091919101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8265381026 (or 8265381019 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 41.

The spelling of 9091919101100 in words is "nine trillion, ninety-one billion, nine hundred nineteen million, one hundred one thousand, one hundred".