2211210111101 has 4 divisors (see below), whose sum is σ = 2212907127072. Its totient is φ = 2209513095132.

The previous prime is 2211210111073. The next prime is 2211210111157. The reversal of 2211210111101 is 1011110121122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2211210111101 - 2¹⁸ = 2211209848957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211210114101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848506031 + ... + 848508636.

It is an arithmetic number, because the mean of its divisors is an integer number (553226781768).

Almost surely, 2^{2211210111101} is an apocalyptic number.

It is an amenable number.

2211210111101 is a deficient number, since it is larger than the sum of its proper divisors (1697015971).

2211210111101 is a wasteful number, since it uses less digits than its factorization.

2211210111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697015970.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2211210111101 its reverse (1011110121122), we get a palindrome (3222320232223).

The spelling of 2211210111101 in words is "two trillion, two hundred eleven billion, two hundred ten million, one hundred eleven thousand, one hundred one".