11020111260161 has 32 divisors (see below), whose sum is σ = 11865568455936. Its totient is φ = 10198347264000.

The previous prime is 11020111260139. The next prime is 11020111260239. The reversal of 11020111260161 is 16106211102011.

It is a cyclic number.

It is not a de Polignac number, because 11020111260161 - 2¹⁴ = 11020111243777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020111262161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126014231 + ... + 126101651.

It is an arithmetic number, because the mean of its divisors is an integer number (370799014248).

Almost surely, 2^{11020111260161} is an apocalyptic number.

It is an amenable number.

11020111260161 is a deficient number, since it is larger than the sum of its proper divisors (845457195775).

11020111260161 is a wasteful number, since it uses less digits than its factorization.

11020111260161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88073.

The product of its (nonzero) digits is 144, while the sum is 23.

Adding to 11020111260161 its reverse (16106211102011), we get a palindrome (27126322362172).

The spelling of 11020111260161 in words is "eleven trillion, twenty billion, one hundred eleven million, two hundred sixty thousand, one hundred sixty-one".