11042030121 has 16 divisors (see below), whose sum is σ = 14952447360. Its totient is φ = 7246794240.

The previous prime is 11042030119. The next prime is 11042030137. The reversal of 11042030121 is 12103024011.

It is not a de Polignac number, because 11042030121 - 2¹ = 11042030119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11042030121.

It is not an unprimeable number, because it can be changed into a prime (11042030821) 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, 104835 + ... + 181863.

It is an arithmetic number, because the mean of its divisors is an integer number (934527960).

Almost surely, 2^11042030121 is an apocalyptic number.

It is an amenable number.

11042030121 is a deficient number, since it is larger than the sum of its proper divisors (3910417239).

11042030121 is an equidigital number, since it uses as much as digits as its factorization.

11042030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77776.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11042030121 its reverse (12103024011), we get a palindrome (23145054132).

The spelling of 11042030121 in words is "eleven billion, forty-two million, thirty thousand, one hundred twenty-one".