111421001411 has 4 divisors (see below), whose sum is σ = 111487842312. Its totient is φ = 111354160512.

The previous prime is 111421001371. The next prime is 111421001423. The reversal of 111421001411 is 114100124111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114100124111 = 151 ⋅755629961.

It is a cyclic number.

It is not a de Polignac number, because 111421001411 - 2⁶ = 111421001347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111421001411.

It is not an unprimeable number, because it can be changed into a prime (111421001431) 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, 33417950 + ... + 33421283.

It is an arithmetic number, because the mean of its divisors is an integer number (27871960578).

Almost surely, 2^111421001411 is an apocalyptic number.

111421001411 is a deficient number, since it is larger than the sum of its proper divisors (66840901).

111421001411 is an equidigital number, since it uses as much as digits as its factorization.

111421001411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66840900.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111421001411 its reverse (114100124111), we get a palindrome (225521125522).

The spelling of 111421001411 in words is "one hundred eleven billion, four hundred twenty-one million, one thousand, four hundred eleven".