120121020100101 has 8 divisors (see below), whose sum is σ = 160161432275680. Its totient is φ = 80080643995632.

The previous prime is 120121020100099. The next prime is 120121020100129. The reversal of 120121020100101 is 101001020121021.

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

It is not a de Polignac number, because 120121020100101 - 2¹ = 120121020100099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121020104101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57126 + ... + 15499848.

It is an arithmetic number, because the mean of its divisors is an integer number (20020179034460).

Almost surely, 2^{120121020100101} is an apocalyptic number.

It is an amenable number.

120121020100101 is a deficient number, since it is larger than the sum of its proper divisors (40040412175579).

120121020100101 is a wasteful number, since it uses less digits than its factorization.

120121020100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18035555.

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

Adding to 120121020100101 its reverse (101001020121021), we get a palindrome (221122040221122).

The spelling of 120121020100101 in words is "one hundred twenty trillion, one hundred twenty-one billion, twenty million, one hundred thousand, one hundred one".