121311410242 has 8 divisors (see below), whose sum is σ = 198509580432. Its totient is φ = 55141550100.

The previous prime is 121311410201. The next prime is 121311410309. The reversal of 121311410242 is 242014113121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 5514155011 = 121311410242 / (1 + 2 + 1 + 3 + 1 + 1 + 4 + 1 + 0 + 2 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2757077484 + ... + 2757077527.

It is an arithmetic number, because the mean of its divisors is an integer number (24813697554).

Almost surely, 2^121311410242 is an apocalyptic number.

121311410242 is a deficient number, since it is larger than the sum of its proper divisors (77198170190).

121311410242 is a wasteful number, since it uses less digits than its factorization.

121311410242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514155024.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 121311410242 its reverse (242014113121), we get a palindrome (363325523363).

The spelling of 121311410242 in words is "one hundred twenty-one billion, three hundred eleven million, four hundred ten thousand, two hundred forty-two".