2211211202201 has 12 divisors (see below), whose sum is σ = 2314149107088. Its totient is φ = 2112675813864.

The previous prime is 2211211202197. The next prime is 2211211202227. The reversal of 2211211202201 is 1022021121122.

It is not a de Polignac number, because 2211211202201 - 2² = 2211211202197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2211211202201.

It is not an unprimeable number, because it can be changed into a prime (2211211202701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1899815 + ... + 2834028.

It is an arithmetic number, because the mean of its divisors is an integer number (192845758924).

Almost surely, 2^{2211211202201} is an apocalyptic number.

It is an amenable number.

2211211202201 is a deficient number, since it is larger than the sum of its proper divisors (102937904887).

2211211202201 is an equidigital number, since it uses as much as digits as its factorization.

2211211202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734772 (or 4734749 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2211211202201 its reverse (1022021121122), we get a palindrome (3233232323323).

The spelling of 2211211202201 in words is "two trillion, two hundred eleven billion, two hundred eleven million, two hundred two thousand, two hundred one".