121101110199 has 12 divisors (see below), whose sum is σ = 175493614296. Its totient is φ = 80471094192.

The previous prime is 121101110173. The next prime is 121101110201. The reversal of 121101110199 is 991011101121.

It is not a de Polignac number, because 121101110199 - 2¹³ = 121101102007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101110129) 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, 21912024 + ... + 21917549.

It is an arithmetic number, because the mean of its divisors is an integer number (14624467858).

Almost surely, 2^121101110199 is an apocalyptic number.

121101110199 is a deficient number, since it is larger than the sum of its proper divisors (54392504097).

121101110199 is a wasteful number, since it uses less digits than its factorization.

121101110199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43829886 (or 43829883 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 27.

The spelling of 121101110199 in words is "one hundred twenty-one billion, one hundred one million, one hundred ten thousand, one hundred ninety-nine".