11020000201121 has 4 divisors (see below), whose sum is σ = 11499130644672. Its totient is φ = 10540869757572.

The previous prime is 11020000201109. The next prime is 11020000201159. The reversal of 11020000201121 is 12110200002011.

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 a de Polignac number, because none of the positive numbers 2^k-11020000201121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020000201421) 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, 239565221741 + ... + 239565221786.

It is an arithmetic number, because the mean of its divisors is an integer number (2874782661168).

Almost surely, 2^{11020000201121} is an apocalyptic number.

It is an amenable number.

11020000201121 is a deficient number, since it is larger than the sum of its proper divisors (479130443551).

11020000201121 is an equidigital number, since it uses as much as digits as its factorization.

11020000201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479130443550.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11020000201121 its reverse (12110200002011), we get a palindrome (23130200203132).

The spelling of 11020000201121 in words is "eleven trillion, twenty billion, two hundred one thousand, one hundred twenty-one".