120211333121 has 16 divisors (see below), whose sum is σ = 132526368000. Its totient is φ = 108129908880.

The previous prime is 120211333097. The next prime is 120211333153. The reversal of 120211333121 is 121333112021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120211333121 - 2¹⁸ = 120211070977 is a prime.

It is a super-2 number, since 2×120211333121² (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 = 120211333093 and 120211333102.

It is not an unprimeable number, because it can be changed into a prime (120211333421) 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, 911630 + ... + 1035128.

It is an arithmetic number, because the mean of its divisors is an integer number (8282898000).

Almost surely, 2^120211333121 is an apocalyptic number.

120211333121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120211333121 is a deficient number, since it is larger than the sum of its proper divisors (12315034879).

120211333121 is a wasteful number, since it uses less digits than its factorization.

120211333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124444.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 120211333121 its reverse (121333112021), we get a palindrome (241544445142).

The spelling of 120211333121 in words is "one hundred twenty billion, two hundred eleven million, three hundred thirty-three thousand, one hundred twenty-one".