1002220111201 has 2 divisors, whose sum is σ = 1002220111202. Its totient is φ = 1002220111200.

The previous prime is 1002220111169. The next prime is 1002220111219. The reversal of 1002220111201 is 1021110222001.

1002220111201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 871338237025 + 130881874176 = 933455^2 + 361776^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002220111201 - 2⁵ = 1002220111169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002220111301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501110055600 + 501110055601.

It is an arithmetic number, because the mean of its divisors is an integer number (501110055601).

Almost surely, 2^{1002220111201} is an apocalyptic number.

It is an amenable number.

1002220111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002220111201 is an equidigital number, since it uses as much as digits as its factorization.

1002220111201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1002220111201 its reverse (1021110222001), we get a palindrome (2023330333202).

The spelling of 1002220111201 in words is "one trillion, two billion, two hundred twenty million, one hundred eleven thousand, two hundred one".