120002100121101 has 16 divisors (see below), whose sum is σ = 179266036546368. Its totient is φ = 70762909161600.

The previous prime is 120002100121069. The next prime is 120002100121139. The reversal of 120002100121101 is 101121001200021.

It is not a de Polignac number, because 120002100121101 - 2⁵ = 120002100121069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120002100121151) 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, 49140907920 + ... + 49140910361.

It is an arithmetic number, because the mean of its divisors is an integer number (11204127284148).

Almost surely, 2^{120002100121101} is an apocalyptic number.

120002100121101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120002100121101 is a deficient number, since it is larger than the sum of its proper divisors (59263936425267).

120002100121101 is a wasteful number, since it uses less digits than its factorization.

120002100121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98281818332.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120002100121101 its reverse (101121001200021), we get a palindrome (221123101321122).

The spelling of 120002100121101 in words is "one hundred twenty trillion, two billion, one hundred million, one hundred twenty-one thousand, one hundred one".