111321010321 has 16 divisors (see below), whose sum is σ = 117824002560. Its totient is φ = 104965819200.

The previous prime is 111321010319. The next prime is 111321010337. The reversal of 111321010321 is 123010123111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111321010321 - 2¹ = 111321010319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111321010295 and 111321010304.

It is not an unprimeable number, because it can be changed into a prime (111321010351) 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, 427336 + ... + 636598.

It is an arithmetic number, because the mean of its divisors is an integer number (7364000160).

Almost surely, 2^111321010321 is an apocalyptic number.

It is an amenable number.

111321010321 is a deficient number, since it is larger than the sum of its proper divisors (6502992239).

111321010321 is a wasteful number, since it uses less digits than its factorization.

111321010321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209616.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111321010321 its reverse (123010123111), we get a palindrome (234331133432).

The spelling of 111321010321 in words is "one hundred eleven billion, three hundred twenty-one million, ten thousand, three hundred twenty-one".