222002100212111 has 2 divisors, whose sum is σ = 222002100212112. Its totient is φ = 222002100212110.

The previous prime is 222002100212069. The next prime is 222002100212147. The reversal of 222002100212111 is 111212001200222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222002100212111 - 2²⁶ = 222002033103247 is a prime.

It is a super-2 number, since 2×222002100212111² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222002100212111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222002100212311) 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, 111001050106055 + 111001050106056.

It is an arithmetic number, because the mean of its divisors is an integer number (111001050106056).

Almost surely, 2^{222002100212111} is an apocalyptic number.

222002100212111 is a deficient number, since it is larger than the sum of its proper divisors (1).

222002100212111 is an equidigital number, since it uses as much as digits as its factorization.

222002100212111 is an odious number, because the sum of its binary digits is odd.

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

Adding to 222002100212111 its reverse (111212001200222), we get a palindrome (333214101412333).

The spelling of 222002100212111 in words is "two hundred twenty-two trillion, two billion, one hundred million, two hundred twelve thousand, one hundred eleven".