11101122197 has 16 divisors (see below), whose sum is σ = 12387950592. Its totient is φ = 9862942320.

The previous prime is 11101122187. The next prime is 11101122199. The reversal of 11101122197 is 79122110111.

It is not a de Polignac number, because 11101122197 - 2²² = 11096927893 is a prime.

It is a super-2 number, since 2×11101122197² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101122199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34298 + ... + 152900.

It is an arithmetic number, because the mean of its divisors is an integer number (774246912).

Almost surely, 2^11101122197 is an apocalyptic number.

It is an amenable number.

11101122197 is a deficient number, since it is larger than the sum of its proper divisors (1286828395).

11101122197 is a wasteful number, since it uses less digits than its factorization.

11101122197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118808.

The product of its (nonzero) digits is 252, while the sum is 26.

The spelling of 11101122197 in words is "eleven billion, one hundred one million, one hundred twenty-two thousand, one hundred ninety-seven".