11140234121 has 8 divisors (see below), whose sum is σ = 11510892288. Its totient is φ = 10770282000.

The previous prime is 11140234043. The next prime is 11140234123. The reversal of 11140234121 is 12143204111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11140234121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11140234093 and 11140234102.

It is not an unprimeable number, because it can be changed into a prime (11140234123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144335 + ... + 207636.

It is an arithmetic number, because the mean of its divisors is an integer number (1438861536).

Almost surely, 2^11140234121 is an apocalyptic number.

It is an amenable number.

11140234121 is a deficient number, since it is larger than the sum of its proper divisors (370658167).

11140234121 is a wasteful number, since it uses less digits than its factorization.

11140234121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353023.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11140234121 its reverse (12143204111), we get a palindrome (23283438232).

The spelling of 11140234121 in words is "eleven billion, one hundred forty million, two hundred thirty-four thousand, one hundred twenty-one".