10111201321 has 16 divisors (see below), whose sum is σ = 11162188800. Its totient is φ = 9100726848.

The previous prime is 10111201313. The next prime is 10111201361. The reversal of 10111201321 is 12310211101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10111201321 - 2³ = 10111201313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10111201301) 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, 133600 + ... + 195118.

It is an arithmetic number, because the mean of its divisors is an integer number (697636800).

Almost surely, 2^10111201321 is an apocalyptic number.

It is an amenable number.

10111201321 is a deficient number, since it is larger than the sum of its proper divisors (1050987479).

10111201321 is a wasteful number, since it uses less digits than its factorization.

10111201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61848.

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

Adding to 10111201321 its reverse (12310211101), we get a palindrome (22421412422).

The spelling of 10111201321 in words is "ten billion, one hundred eleven million, two hundred one thousand, three hundred twenty-one".