121121011001099 has 8 divisors (see below), whose sum is σ = 121298236800000. Its totient is φ = 120943901841192.

The previous prime is 121121011001087. The next prime is 121121011001183. The reversal of 121121011001099 is 990100110121121.

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

It is a cyclic number.

It is not a de Polignac number, because 121121011001099 - 2³⁶ = 121052291524363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121121011001299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27081269 + ... + 31235190.

It is an arithmetic number, because the mean of its divisors is an integer number (15162279600000).

Almost surely, 2^{121121011001099} is an apocalyptic number.

121121011001099 is a deficient number, since it is larger than the sum of its proper divisors (177225798901).

121121011001099 is a wasteful number, since it uses less digits than its factorization.

121121011001099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58319497.

The product of its (nonzero) digits is 324, while the sum is 29.

The spelling of 121121011001099 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, eleven million, one thousand, ninety-nine".