121122099 has 24 divisors (see below), whose sum is σ = 204602112. Its totient is φ = 67601520.

The previous prime is 121122073. The next prime is 121122107. The reversal of 121122099 is 990221121.

It is not a de Polignac number, because 121122099 - 2⁸ = 121121843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121120099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19647 + ... + 25064.

It is an arithmetic number, because the mean of its divisors is an integer number (8525088).

Almost surely, 2^121122099 is an apocalyptic number.

121122099 is a deficient number, since it is larger than the sum of its proper divisors (83480013).

121122099 is a wasteful number, since it uses less digits than its factorization.

121122099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44767 (or 44764 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 121122099 is about 11005.5485551607. The cubic root of 121122099 is about 494.7750554301.

The spelling of 121122099 in words is "one hundred twenty-one million, one hundred twenty-two thousand, ninety-nine".