111221013411 has 40 divisors (see below), whose sum is σ = 175117211280. Its totient is φ = 70239693888.

The previous prime is 111221013301. The next prime is 111221013419. The reversal of 111221013411 is 114310122111.

111221013411 is a `hidden beast` number, since 1 + 112 + 210 + 1 + 341 + 1 = 666.

It is not a de Polignac number, because 111221013411 - 2¹³ = 111221005219 is a prime.

It is a super-2 number, since 2×111221013411² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111221013419) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 322185 + ... + 571178.

It is an arithmetic number, because the mean of its divisors is an integer number (4377930282).

Almost surely, 2^111221013411 is an apocalyptic number.

111221013411 is a deficient number, since it is larger than the sum of its proper divisors (63896197869).

111221013411 is an equidigital number, since it uses as much as digits as its factorization.

111221013411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893457 (or 893448 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 111221013411 its reverse (114310122111), we get a palindrome (225531135522).

The spelling of 111221013411 in words is "one hundred eleven billion, two hundred twenty-one million, thirteen thousand, four hundred eleven".