111004140221 has 32 divisors (see below), whose sum is σ = 122257175040. Its totient is φ = 100169911296.

The previous prime is 111004140179. The next prime is 111004140229. The reversal of 111004140221 is 122041400111.

It is a de Polignac number, because none of the positive numbers 2^k-111004140221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111004140221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111004140229) 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, 45925205 + ... + 45927621.

It is an arithmetic number, because the mean of its divisors is an integer number (3820536720).

Almost surely, 2^111004140221 is an apocalyptic number.

It is an amenable number.

111004140221 is a deficient number, since it is larger than the sum of its proper divisors (11253034819).

111004140221 is a wasteful number, since it uses less digits than its factorization.

111004140221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111004140221 its reverse (122041400111), we get a palindrome (233045540332).

The spelling of 111004140221 in words is "one hundred eleven billion, four million, one hundred forty thousand, two hundred twenty-one".