222020101121111 has 2 divisors, whose sum is σ = 222020101121112. Its totient is φ = 222020101121110.

The previous prime is 222020101121069. The next prime is 222020101121153. The reversal of 222020101121111 is 111121101020222.

It is a balanced prime because it is at equal distance from previous prime (222020101121069) and next prime (222020101121153).

It is a cyclic number.

It is not a de Polignac number, because 222020101121111 - 2⁴² = 217622054610007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222020101121111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222020101121191) 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 as a sum of consecutive naturals, namely, 111010050560555 + 111010050560556.

It is an arithmetic number, because the mean of its divisors is an integer number (111010050560556).

Almost surely, 2^{222020101121111} is an apocalyptic number.

222020101121111 is a deficient number, since it is larger than the sum of its proper divisors (1).

222020101121111 is an equidigital number, since it uses as much as digits as its factorization.

222020101121111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 222020101121111 its reverse (111121101020222), we get a palindrome (333141202141333).

The spelling of 222020101121111 in words is "two hundred twenty-two trillion, twenty billion, one hundred one million, one hundred twenty-one thousand, one hundred eleven".