121020011120099 has 16 divisors (see below), whose sum is σ = 148962342852288. Its totient is φ = 95742687301632.

The previous prime is 121020011120089. The next prime is 121020011120123. The reversal of 121020011120099 is 990021110020121.

It is not a de Polignac number, because 121020011120099 - 2⁴⁴ = 103427825075683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121020011120069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64411922 + ... + 66264135.

It is an arithmetic number, because the mean of its divisors is an integer number (9310146428268).

Almost surely, 2^{121020011120099} is an apocalyptic number.

121020011120099 is a deficient number, since it is larger than the sum of its proper divisors (27942331732189).

121020011120099 is a wasteful number, since it uses less digits than its factorization.

121020011120099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130686254.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 121020011120099 in words is "one hundred twenty-one trillion, twenty billion, eleven million, one hundred twenty thousand, ninety-nine".