2211102220201 has 16 divisors (see below), whose sum is σ = 2608549291008. Its totient is φ = 1834051795200.

The previous prime is 2211102220199. The next prime is 2211102220253. The reversal of 2211102220201 is 1020222011122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2211102220201 - 2¹ = 2211102220199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211102220601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12409221 + ... + 12586141.

It is an arithmetic number, because the mean of its divisors is an integer number (163034330688).

Almost surely, 2^{2211102220201} is an apocalyptic number.

It is an amenable number.

2211102220201 is a deficient number, since it is larger than the sum of its proper divisors (397447070807).

2211102220201 is a wasteful number, since it uses less digits than its factorization.

2211102220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234552.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2211102220201 its reverse (1020222011122), we get a palindrome (3231324231323).

The spelling of 2211102220201 in words is "two trillion, two hundred eleven billion, one hundred two million, two hundred twenty thousand, two hundred one".