11111022443401 has 4 divisors (see below), whose sum is σ = 11112929266192. Its totient is φ = 11109115620612.

The previous prime is 11111022443399. The next prime is 11111022443419. The reversal of 11111022443401 is 10434422011111.

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 11111022443401 - 2¹ = 11111022443399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111022443471) 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, 953402655 + ... + 953414308.

It is an arithmetic number, because the mean of its divisors is an integer number (2778232316548).

Almost surely, 2^{11111022443401} is an apocalyptic number.

It is an amenable number.

11111022443401 is a deficient number, since it is larger than the sum of its proper divisors (1906822791).

11111022443401 is an equidigital number, since it uses as much as digits as its factorization.

11111022443401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906822790.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 11111022443401 its reverse (10434422011111), we get a palindrome (21545444454512).

The spelling of 11111022443401 in words is "eleven trillion, one hundred eleven billion, twenty-two million, four hundred forty-three thousand, four hundred one".