2220221210111 has 2 divisors, whose sum is σ = 2220221210112. Its totient is φ = 2220221210110.

The previous prime is 2220221210107. The next prime is 2220221210131. The reversal of 2220221210111 is 1110121220222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220221210111 - 2² = 2220221210107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2220221210111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220221210131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110110605055 + 1110110605056.

It is an arithmetic number, because the mean of its divisors is an integer number (1110110605056).

Almost surely, 2^{2220221210111} is an apocalyptic number.

2220221210111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220221210111 is an equidigital number, since it uses as much as digits as its factorization.

2220221210111 is an evil number, because the sum of its binary digits is even.

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

Adding to 2220221210111 its reverse (1110121220222), we get a palindrome (3330342430333).

The spelling of 2220221210111 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, two hundred ten thousand, one hundred eleven".