11402121242 has 8 divisors (see below), whose sum is σ = 17104545696. Its totient is φ = 5700606012.

The previous prime is 11402121173. The next prime is 11402121259. The reversal of 11402121242 is 24212120411.

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

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, 195038 + ... + 246665.

It is an arithmetic number, because the mean of its divisors is an integer number (2138068212).

Almost surely, 2^11402121242 is an apocalyptic number.

11402121242 is a deficient number, since it is larger than the sum of its proper divisors (5702424454).

11402121242 is a wasteful number, since it uses less digits than its factorization.

11402121242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454612.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11402121242 its reverse (24212120411), we get a palindrome (35614241653).

The spelling of 11402121242 in words is "eleven billion, four hundred two million, one hundred twenty-one thousand, two hundred forty-two".