120101011020099 has 32 divisors (see below), whose sum is σ = 178502588858880. Its totient is φ = 79808525186400.

The previous prime is 120101011020079. The next prime is 120101011020197. The reversal of 120101011020099 is 990020110101021.

It is not a de Polignac number, because 120101011020099 - 2²⁴ = 120100994242883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (120101011020079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 813855829 + ... + 814003385.

It is an arithmetic number, because the mean of its divisors is an integer number (5578205901840).

Almost surely, 2^{120101011020099} is an apocalyptic number.

120101011020099 is a deficient number, since it is larger than the sum of its proper divisors (58401577838781).

120101011020099 is a wasteful number, since it uses less digits than its factorization.

120101011020099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244808 (or 244802 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 120101011020099 in words is "one hundred twenty trillion, one hundred one billion, eleven million, twenty thousand, ninety-nine".