120222131121 has 10 divisors (see below), whose sum is σ = 179591084882. Its totient is φ = 80148087360.

The previous prime is 120222131111. The next prime is 120222131129. The reversal of 120222131121 is 121131222021.

It can be written as a sum of positive squares in only one way, i.e., 87121786896 + 33100344225 = 295164^2 + 181935^2 .

It is not a de Polignac number, because 120222131121 - 2¹¹ = 120222129073 is a prime.

It is a super-2 number, since 2×120222131121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120222131094 and 120222131103.

It is not an unprimeable number, because it can be changed into a prime (120222131129) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 742111840 + ... + 742112001.

Almost surely, 2^120222131121 is an apocalyptic number.

It is an amenable number.

120222131121 is a deficient number, since it is larger than the sum of its proper divisors (59368953761).

120222131121 is an equidigital number, since it uses as much as digits as its factorization.

120222131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484223853 (or 1484223844 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 120222131121 its reverse (121131222021), we get a palindrome (241353353142).

The spelling of 120222131121 in words is "one hundred twenty billion, two hundred twenty-two million, one hundred thirty-one thousand, one hundred twenty-one".