111020441321 has 16 divisors (see below), whose sum is σ = 113074341120. Its totient is φ = 108987310080.

The previous prime is 111020441293. The next prime is 111020441327. The reversal of 111020441321 is 123144020111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111020441321 is a prime.

It is a super-2 number, since 2×111020441321² (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 = 111020441293 and 111020441302.

It is not an unprimeable number, because it can be changed into a prime (111020441327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7105700 + ... + 7121306.

It is an arithmetic number, because the mean of its divisors is an integer number (7067146320).

Almost surely, 2^111020441321 is an apocalyptic number.

It is an amenable number.

111020441321 is a deficient number, since it is larger than the sum of its proper divisors (2053899799).

111020441321 is a wasteful number, since it uses less digits than its factorization.

111020441321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16264.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111020441321 its reverse (123144020111), we get a palindrome (234164461432).

The spelling of 111020441321 in words is "one hundred eleven billion, twenty million, four hundred forty-one thousand, three hundred twenty-one".