120121111230 has 64 divisors (see below), whose sum is σ = 300870678528. Its totient is φ = 30634940160.

The previous prime is 120121111213. The next prime is 120121111237. The reversal of 120121111230 is 32111121021.

It is a super-2 number, since 2×120121111230² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121111237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8754075 + ... + 8767785.

It is an arithmetic number, because the mean of its divisors is an integer number (4701104352).

Almost surely, 2^120121111230 is an apocalyptic number.

120121111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121111230 is an abundant number, since it is smaller than the sum of its proper divisors (180749567298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120121111230 is a wasteful number, since it uses less digits than its factorization.

120121111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26441.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 120121111230 its reverse (32111121021), we get a palindrome (152232232251).

The spelling of 120121111230 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred eleven thousand, two hundred thirty".