120021043243101 has 48 divisors (see below), whose sum is σ = 216043411806720. Its totient is φ = 57552548189760.

The previous prime is 120021043243033. The next prime is 120021043243117. The reversal of 120021043243101 is 101342340120021.

It is not a de Polignac number, because 120021043243101 - 2¹⁴ = 120021043226717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021043243201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1537155091 + ... + 1537233168.

It is an arithmetic number, because the mean of its divisors is an integer number (4500904412640).

Almost surely, 2^{120021043243101} is an apocalyptic number.

120021043243101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120021043243101 is a deficient number, since it is larger than the sum of its proper divisors (96022368563619).

120021043243101 is a wasteful number, since it uses less digits than its factorization.

120021043243101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074388306 (or 3074388293 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 120021043243101 its reverse (101342340120021), we get a palindrome (221363383363122).

The spelling of 120021043243101 in words is "one hundred twenty trillion, twenty-one billion, forty-three million, two hundred forty-three thousand, one hundred one".