1111300021201 has 2 divisors, whose sum is σ = 1111300021202. Its totient is φ = 1111300021200.

The previous prime is 1111300021199. The next prime is 1111300021229. The reversal of 1111300021201 is 1021200031111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 972588467601 + 138711553600 = 986199^2 + 372440^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111300021201 - 2¹ = 1111300021199 is a prime.

Together with 1111300021199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1111300021261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555650010600 + 555650010601.

It is an arithmetic number, because the mean of its divisors is an integer number (555650010601).

Almost surely, 2^{1111300021201} is an apocalyptic number.

It is an amenable number.

1111300021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111300021201 is an equidigital number, since it uses as much as digits as its factorization.

1111300021201 is an evil number, because the sum of its binary digits is even.

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

Adding to 1111300021201 its reverse (1021200031111), we get a palindrome (2132500052312).

The spelling of 1111300021201 in words is "one trillion, one hundred eleven billion, three hundred million, twenty-one thousand, two hundred one".