111201010321 has 4 divisors (see below), whose sum is σ = 113566989312. Its totient is φ = 108835031332.

The previous prime is 111201010243. The next prime is 111201010331. The reversal of 111201010321 is 123010102111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111201010321 - 2¹¹ = 111201008273 is a prime.

It is a super-2 number, since 2×111201010321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111201010331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182989425 + ... + 1182989518.

It is an arithmetic number, because the mean of its divisors is an integer number (28391747328).

Almost surely, 2^111201010321 is an apocalyptic number.

It is an amenable number.

111201010321 is a deficient number, since it is larger than the sum of its proper divisors (2365978991).

111201010321 is an equidigital number, since it uses as much as digits as its factorization.

111201010321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365978990.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111201010321 its reverse (123010102111), we get a palindrome (234211112432).

The spelling of 111201010321 in words is "one hundred eleven billion, two hundred one million, ten thousand, three hundred twenty-one".