1111022321201 has 16 divisors (see below), whose sum is σ = 1201767329280. Its totient is φ = 1021033823040.

The previous prime is 1111022321191. The next prime is 1111022321231. The reversal of 1111022321201 is 1021232201111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1111022321201 - 2¹⁸ = 1111022059057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111022321201.

It is not an unprimeable number, because it can be changed into a prime (1111022321231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14318756 + ... + 14396138.

It is an arithmetic number, because the mean of its divisors is an integer number (75110458080).

Almost surely, 2^{1111022321201} is an apocalyptic number.

It is an amenable number.

1111022321201 is a deficient number, since it is larger than the sum of its proper divisors (90745008079).

1111022321201 is a wasteful number, since it uses less digits than its factorization.

1111022321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82256.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1111022321201 its reverse (1021232201111), we get a palindrome (2132254522312).

The spelling of 1111022321201 in words is "one trillion, one hundred eleven billion, twenty-two million, three hundred twenty-one thousand, two hundred one".