11072001121 has 4 divisors (see below), whose sum is σ = 11094190000. Its totient is φ = 11049812244.

The previous prime is 11072001107. The next prime is 11072001131. The reversal of 11072001121 is 12110027011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11072001121 - 2⁹ = 11072000609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11072001095 and 11072001104.

It is not an unprimeable number, because it can be changed into a prime (11072001131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11093691 + ... + 11094688.

It is an arithmetic number, because the mean of its divisors is an integer number (2773547500).

Almost surely, 2^11072001121 is an apocalyptic number.

It is an amenable number.

11072001121 is a deficient number, since it is larger than the sum of its proper divisors (22188879).

11072001121 is an equidigital number, since it uses as much as digits as its factorization.

11072001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22188878.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 11072001121 its reverse (12110027011), we get a palindrome (23182028132).

The spelling of 11072001121 in words is "eleven billion, seventy-two million, one thousand, one hundred twenty-one".