2212220210111 has 4 divisors (see below), whose sum is σ = 2215031164152. Its totient is φ = 2209409256072.

The previous prime is 2212220210107. The next prime is 2212220210117. The reversal of 2212220210111 is 1110120222122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2212220210111 - 2² = 2212220210107 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 2212220210111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212220210117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405475840 + ... + 1405477413.

It is an arithmetic number, because the mean of its divisors is an integer number (553757791038).

Almost surely, 2^{2212220210111} is an apocalyptic number.

2212220210111 is a deficient number, since it is larger than the sum of its proper divisors (2810954041).

2212220210111 is an equidigital number, since it uses as much as digits as its factorization.

2212220210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810954040.

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

Adding to 2212220210111 its reverse (1110120222122), we get a palindrome (3322340432233).

The spelling of 2212220210111 in words is "two trillion, two hundred twelve billion, two hundred twenty million, two hundred ten thousand, one hundred eleven".