100191122 has 16 divisors (see below), whose sum is σ = 153902592. Its totient is φ = 48896160.

The previous prime is 100191121. The next prime is 100191173. The reversal of 100191122 is 221191001.

It is a self number, because there is not a number n which added to its sum of digits gives 100191122.

It is not an unprimeable number, because it can be changed into a prime (100191121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39278 + ... + 41750.

It is an arithmetic number, because the mean of its divisors is an integer number (9618912).

Almost surely, 2^100191122 is an apocalyptic number.

100191122 is a deficient number, since it is larger than the sum of its proper divisors (53711470).

100191122 is a wasteful number, since it uses less digits than its factorization.

100191122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 100191122 is about 10009.5515384057. The cubic root of 100191122 is about 464.4543984234.

The spelling of 100191122 in words is "one hundred million, one hundred ninety-one thousand, one hundred twenty-two".