111420023331 has 16 divisors (see below), whose sum is σ = 153361169408. Its totient is φ = 71879724000.

The previous prime is 111420023321. The next prime is 111420023333. The reversal of 111420023331 is 133320024111.

It is not a de Polignac number, because 111420023331 - 2⁷ = 111420023203 is a prime.

It is a super-2 number, since 2×111420023331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111420023298 and 111420023307.

It is not an unprimeable number, because it can be changed into a prime (111420023333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3000981 + ... + 3037881.

It is an arithmetic number, because the mean of its divisors is an integer number (9585073088).

Almost surely, 2^111420023331 is an apocalyptic number.

111420023331 is a deficient number, since it is larger than the sum of its proper divisors (41941146077).

111420023331 is a wasteful number, since it uses less digits than its factorization.

111420023331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69402.

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

Adding to 111420023331 its reverse (133320024111), we get a palindrome (244740047442).

The spelling of 111420023331 in words is "one hundred eleven billion, four hundred twenty million, twenty-three thousand, three hundred thirty-one".