120121324111242 has 64 divisors (see below), whose sum is σ = 267313333996800. Its totient is φ = 39983886740160.

The previous prime is 120121324111241. The next prime is 120121324111259. The reversal of 120121324111242 is 242111423121021.

120121324111242 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 2 + 1 + 3 + 2 + 411 + 1 + 242 = 666.

It is a super-2 number, since 2×120121324111242² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (120121324111241) 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, 1756407984 + ... + 1756476372.

It is an arithmetic number, because the mean of its divisors is an integer number (4176770843700).

Almost surely, 2^{120121324111242} is an apocalyptic number.

120121324111242 is an abundant number, since it is smaller than the sum of its proper divisors (147192009885558).

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

120121324111242 is a wasteful number, since it uses less digits than its factorization.

120121324111242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113868 (or 113862 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 120121324111242 its reverse (242111423121021), we get a palindrome (362232747232263).

The spelling of 120121324111242 in words is "one hundred twenty trillion, one hundred twenty-one billion, three hundred twenty-four million, one hundred eleven thousand, two hundred forty-two".