2111220010201 has 2 divisors, whose sum is σ = 2111220010202. Its totient is φ = 2111220010200.

The previous prime is 2111220010187. The next prime is 2111220010219. The reversal of 2111220010201 is 1020100221112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2091853112976 + 19366897225 = 1446324^2 + 139165^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111220010201 - 2⁵ = 2111220010169 is a prime.

It is a super-2 number, since 2×2111220010201² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2111220016201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055610005100 + 1055610005101.

It is an arithmetic number, because the mean of its divisors is an integer number (1055610005101).

Almost surely, 2^{2111220010201} is an apocalyptic number.

It is an amenable number.

2111220010201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111220010201 is an equidigital number, since it uses as much as digits as its factorization.

2111220010201 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 2111220010201 its reverse (1020100221112), we get a palindrome (3131320231313).

The spelling of 2111220010201 in words is "two trillion, one hundred eleven billion, two hundred twenty million, ten thousand, two hundred one".