120235031121 has 16 divisors (see below), whose sum is σ = 165521940480. Its totient is φ = 77553566160.

The previous prime is 120235031117. The next prime is 120235031143. The reversal of 120235031121 is 121130532021.

It is not a de Polignac number, because 120235031121 - 2² = 120235031117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120235021121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277720 + ... + 563558.

It is an arithmetic number, because the mean of its divisors is an integer number (10345121280).

Almost surely, 2^120235031121 is an apocalyptic number.

It is an amenable number.

120235031121 is a deficient number, since it is larger than the sum of its proper divisors (45286909359).

120235031121 is a wasteful number, since it uses less digits than its factorization.

120235031121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290396.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 120235031121 its reverse (121130532021), we get a palindrome (241365563142).

The spelling of 120235031121 in words is "one hundred twenty billion, two hundred thirty-five million, thirty-one thousand, one hundred twenty-one".