121004422242 has 32 divisors (see below), whose sum is σ = 264037294080. Its totient is φ = 36664167120.

The previous prime is 121004422241. The next prime is 121004422277. The reversal of 121004422242 is 242224400121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121004422241) 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, 574263 + ... + 756165.

It is an arithmetic number, because the mean of its divisors is an integer number (8251165440).

Almost surely, 2^121004422242 is an apocalyptic number.

121004422242 is an abundant number, since it is smaller than the sum of its proper divisors (143032871838).

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

121004422242 is a wasteful number, since it uses less digits than its factorization.

121004422242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191998.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 121004422242 its reverse (242224400121), we get a palindrome (363228822363).

The spelling of 121004422242 in words is "one hundred twenty-one billion, four million, four hundred twenty-two thousand, two hundred forty-two".