40221113331 has 16 divisors (see below), whose sum is σ = 64894569984. Its totient is φ = 21631522944.

The previous prime is 40221113287. The next prime is 40221113363. The reversal of 40221113331 is 13331112204.

It is not a de Polignac number, because 40221113331 - 2⁹ = 40221112819 is a prime.

It is a super-2 number, since 2×40221113331² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 40221113298 and 40221113307.

It is not an unprimeable number, because it can be changed into a prime (40221113381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56331735 + ... + 56332448.

It is an arithmetic number, because the mean of its divisors is an integer number (4055910624).

Almost surely, 2^40221113331 is an apocalyptic number.

40221113331 is a deficient number, since it is larger than the sum of its proper divisors (24673456653).

40221113331 is a wasteful number, since it uses less digits than its factorization.

40221113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112664210.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 40221113331 its reverse (13331112204), we get a palindrome (53552225535).

The spelling of 40221113331 in words is "forty billion, two hundred twenty-one million, one hundred thirteen thousand, three hundred thirty-one".