111041120221401 has 4 divisors (see below), whose sum is σ = 148054826961872. Its totient is φ = 74027413480932.

The previous prime is 111041120221397. The next prime is 111041120221417. The reversal of 111041120221401 is 104122021140111.

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 not a de Polignac number, because 111041120221401 - 2² = 111041120221397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111041120222401) 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, 18506853370231 + ... + 18506853370236.

It is an arithmetic number, because the mean of its divisors is an integer number (37013706740468).

Almost surely, 2^{111041120221401} is an apocalyptic number.

It is an amenable number.

111041120221401 is a deficient number, since it is larger than the sum of its proper divisors (37013706740471).

111041120221401 is an equidigital number, since it uses as much as digits as its factorization.

111041120221401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37013706740470.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 111041120221401 its reverse (104122021140111), we get a palindrome (215163141361512).

The spelling of 111041120221401 in words is "one hundred eleven trillion, forty-one billion, one hundred twenty million, two hundred twenty-one thousand, four hundred one".