9199921126 has 12 divisors (see below), whose sum is σ = 15168465396. Its totient is φ = 4181782220.

The previous prime is 9199921117. The next prime is 9199921139. The reversal of 9199921126 is 6211299919.

9199921126 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9199921126² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9199921126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19007860 + ... + 19008343.

It is an arithmetic number, because the mean of its divisors is an integer number (1264038783).

Almost surely, 2^9199921126 is an apocalyptic number.

9199921126 is a deficient number, since it is larger than the sum of its proper divisors (5968544270).

9199921126 is a wasteful number, since it uses less digits than its factorization.

9199921126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38016227 (or 38016216 counting only the distinct ones).

The product of its digits is 157464, while the sum is 49.

The square root of 9199921126 is about 95916.2193062258. The cubic root of 9199921126 is about 2095.3731182489.

The spelling of 9199921126 in words is "nine billion, one hundred ninety-nine million, nine hundred twenty-one thousand, one hundred twenty-six".