11121212002142 has 8 divisors (see below), whose sum is σ = 18198346912632. Its totient is φ = 5055096364600.

The previous prime is 11121212002129. The next prime is 11121212002217. The reversal of 11121212002142 is 24120021212111.

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

It is a congruent number.

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, 252754818209 + ... + 252754818252.

It is an arithmetic number, because the mean of its divisors is an integer number (2274793364079).

Almost surely, 2^{11121212002142} is an apocalyptic number.

11121212002142 is a deficient number, since it is larger than the sum of its proper divisors (7077134910490).

11121212002142 is a wasteful number, since it uses less digits than its factorization.

11121212002142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505509636474.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11121212002142 its reverse (24120021212111), we get a palindrome (35241233214253).

The spelling of 11121212002142 in words is "eleven trillion, one hundred twenty-one billion, two hundred twelve million, two thousand, one hundred forty-two".