120001012112101 has 8 divisors (see below), whose sum is σ = 120720368160000. Its totient is φ = 119281665434928.

The previous prime is 120001012112063. The next prime is 120001012112119. The reversal of 120001012112101 is 101211210100021.

It is a happy number.

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 120001012112101 - 2²³ = 120001003723493 is a prime.

It is a super-2 number, since 2×120001012112101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001012112171) 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, 24247860 + ... + 28774306.

It is an arithmetic number, because the mean of its divisors is an integer number (15090046020000).

Almost surely, 2^{120001012112101} is an apocalyptic number.

It is an amenable number.

120001012112101 is a deficient number, since it is larger than the sum of its proper divisors (719356047899).

120001012112101 is a wasteful number, since it uses less digits than its factorization.

120001012112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685363.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120001012112101 its reverse (101211210100021), we get a palindrome (221212222212122).

The spelling of 120001012112101 in words is "one hundred twenty trillion, one billion, twelve million, one hundred twelve thousand, one hundred one".