121111098 has 8 divisors (see below), whose sum is σ = 242222208. Its totient is φ = 40370364.

The previous prime is 121111093. The next prime is 121111103. The reversal of 121111098 is 890111121.

It is an interprime number because it is at equal distance from previous prime (121111093) and next prime (121111103).

It is a sphenic number, since it is the product of 3 distinct primes.

121111098 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (121111093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10092586 + ... + 10092597.

It is an arithmetic number, because the mean of its divisors is an integer number (30277776).

Almost surely, 2^121111098 is an apocalyptic number.

121111098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121111098 is a wasteful number, since it uses less digits than its factorization.

121111098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20185188.

The product of its (nonzero) digits is 144, while the sum is 24.

The square root of 121111098 is about 11005.0487504599. The cubic root of 121111098 is about 494.7600755456.

The spelling of 121111098 in words is "one hundred twenty-one million, one hundred eleven thousand, ninety-eight".