11122420342 has 8 divisors (see below), whose sum is σ = 18200324232. Its totient is φ = 5055645600.

The previous prime is 11122420333. The next prime is 11122420367. The reversal of 11122420342 is 24302422111.

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: 505564561 = 11122420342 / (1 + 1 + 1 + 2 + 2 + 4 + 2 + 0 + 3 + 4 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252782259 + ... + 252782302.

It is an arithmetic number, because the mean of its divisors is an integer number (2275040529).

Almost surely, 2^11122420342 is an apocalyptic number.

11122420342 is a deficient number, since it is larger than the sum of its proper divisors (7077903890).

11122420342 is a wasteful number, since it uses less digits than its factorization.

11122420342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505564574.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11122420342 its reverse (24302422111), we get a palindrome (35424842453).

The spelling of 11122420342 in words is "eleven billion, one hundred twenty-two million, four hundred twenty thousand, three hundred forty-two".