1112211100201 has 2 divisors, whose sum is σ = 1112211100202. Its totient is φ = 1112211100200.

The previous prime is 1112211100199. The next prime is 1112211100241. The reversal of 1112211100201 is 1020011122111.

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., 978912360000 + 133298740201 = 989400^2 + 365101^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112211100201 - 2¹ = 1112211100199 is a prime.

Together with 1112211100199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1112211100241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556105550100 + 556105550101.

It is an arithmetic number, because the mean of its divisors is an integer number (556105550101).

Almost surely, 2^{1112211100201} is an apocalyptic number.

It is an amenable number.

1112211100201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112211100201 is an equidigital number, since it uses as much as digits as its factorization.

1112211100201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1112211100201 its reverse (1020011122111), we get a palindrome (2132222222312).

The spelling of 1112211100201 in words is "one trillion, one hundred twelve billion, two hundred eleven million, one hundred thousand, two hundred one".