120101431121 has 4 divisors (see below), whose sum is σ = 137258778432. Its totient is φ = 102944083812.

The previous prime is 120101431117. The next prime is 120101431127. The reversal of 120101431121 is 121134101021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121134101021 = 5087 ⋅23812483.

It is a cyclic number.

It is not a de Polignac number, because 120101431121 - 2² = 120101431117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120101431121.

It is not an unprimeable number, because it can be changed into a prime (120101431127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8578673645 + ... + 8578673658.

It is an arithmetic number, because the mean of its divisors is an integer number (34314694608).

Almost surely, 2^120101431121 is an apocalyptic number.

It is an amenable number.

120101431121 is a deficient number, since it is larger than the sum of its proper divisors (17157347311).

120101431121 is an equidigital number, since it uses as much as digits as its factorization.

120101431121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17157347310.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 120101431121 its reverse (121134101021), we get a palindrome (241235532142).

The spelling of 120101431121 in words is "one hundred twenty billion, one hundred one million, four hundred thirty-one thousand, one hundred twenty-one".