2211101212201 has 16 divisors (see below), whose sum is σ = 2533664738304. Its totient is φ = 1890217211904.

The previous prime is 2211101212193. The next prime is 2211101212211. The reversal of 2211101212201 is 1022121011122.

It is not a de Polignac number, because 2211101212201 - 2³ = 2211101212193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211101212211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3793665 + ... + 4337521.

It is an arithmetic number, because the mean of its divisors is an integer number (158354046144).

Almost surely, 2^{2211101212201} is an apocalyptic number.

It is an amenable number.

2211101212201 is a deficient number, since it is larger than the sum of its proper divisors (322563526103).

2211101212201 is an equidigital number, since it uses as much as digits as its factorization.

2211101212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545400.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2211101212201 its reverse (1022121011122), we get a palindrome (3233222223323).

The spelling of 2211101212201 in words is "two trillion, two hundred eleven billion, one hundred one million, two hundred twelve thousand, two hundred one".