120121100200101 has 192 divisors, whose sum is σ = 218960125655040. Its totient is φ = 56874276126720.

The previous prime is 120121100200039. The next prime is 120121100200109. The reversal of 120121100200101 is 101002001121021.

It is not a de Polignac number, because 120121100200101 - 2¹⁰ = 120121100199077 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 (120121100200109) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1639640410 + ... + 1639713668.

It is an arithmetic number, because the mean of its divisors is an integer number (1140417321120).

Almost surely, 2^{120121100200101} is an apocalyptic number.

120121100200101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120121100200101 is a deficient number, since it is larger than the sum of its proper divisors (98839025454939).

120121100200101 is a wasteful number, since it uses less digits than its factorization.

120121100200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73836 (or 73823 counting only the distinct ones).

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

Adding to 120121100200101 its reverse (101002001121021), we get a palindrome (221123101321122).

The spelling of 120121100200101 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred million, two hundred thousand, one hundred one".