11142026121 has 16 divisors (see below), whose sum is σ = 14934786048. Its totient is φ = 7388682000.

The previous prime is 11142026087. The next prime is 11142026123. The reversal of 11142026121 is 12162024111.

It is a de Polignac number, because none of the positive numbers 2^k-11142026121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11142026123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1484440 + ... + 1491926.

It is an arithmetic number, because the mean of its divisors is an integer number (933424128).

Almost surely, 2^11142026121 is an apocalyptic number.

It is an amenable number.

11142026121 is a deficient number, since it is larger than the sum of its proper divisors (3792759927).

11142026121 is a wasteful number, since it uses less digits than its factorization.

11142026121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10052.

The product of its (nonzero) digits is 192, while the sum is 21.

The spelling of 11142026121 in words is "eleven billion, one hundred forty-two million, twenty-six thousand, one hundred twenty-one".