2211220211101 has 16 divisors (see below), whose sum is σ = 2428017071040. Its totient is φ = 1997094113280.

The previous prime is 2211220211089. The next prime is 2211220211143. The reversal of 2211220211101 is 1011120221122.

It is a cyclic number.

It is not a de Polignac number, because 2211220211101 - 2²⁵ = 2211186656669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211220211701) 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, 39535 + ... + 2103331.

It is an arithmetic number, because the mean of its divisors is an integer number (151751066940).

Almost surely, 2^{2211220211101} is an apocalyptic number.

It is an amenable number.

2211220211101 is a deficient number, since it is larger than the sum of its proper divisors (216796859939).

2211220211101 is a wasteful number, since it uses less digits than its factorization.

2211220211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064444.

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

Adding to 2211220211101 its reverse (1011120221122), we get a palindrome (3222340432223).

The spelling of 2211220211101 in words is "two trillion, two hundred eleven billion, two hundred twenty million, two hundred eleven thousand, one hundred one".