1111120321201 has 4 divisors (see below), whose sum is σ = 1212131259504. Its totient is φ = 1010109382900.

The previous prime is 1111120321193. The next prime is 1111120321229. The reversal of 1111120321201 is 1021230211111.

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 1111120321201 - 2³ = 1111120321193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111120321291) 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, 50505469135 + ... + 50505469156.

It is an arithmetic number, because the mean of its divisors is an integer number (303032814876).

Almost surely, 2^{1111120321201} is an apocalyptic number.

1111120321201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111120321201 is a deficient number, since it is larger than the sum of its proper divisors (101010938303).

1111120321201 is a wasteful number, since it uses less digits than its factorization.

1111120321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101010938302.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1111120321201 its reverse (1021230211111), we get a palindrome (2132350532312).

The spelling of 1111120321201 in words is "one trillion, one hundred eleven billion, one hundred twenty million, three hundred twenty-one thousand, two hundred one".