222001012111 has 2 divisors, whose sum is σ = 222001012112. Its totient is φ = 222001012110.

The previous prime is 222001012099. The next prime is 222001012133. The reversal of 222001012111 is 111210100222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222001012111 - 2³¹ = 219853528463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222001012091 and 222001012100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222001012811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000506055 + 111000506056.

It is an arithmetic number, because the mean of its divisors is an integer number (111000506056).

Almost surely, 2^222001012111 is an apocalyptic number.

222001012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

222001012111 is an equidigital number, since it uses as much as digits as its factorization.

222001012111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 222001012111 its reverse (111210100222), we get a palindrome (333211112333).

The spelling of 222001012111 in words is "two hundred twenty-two billion, one million, twelve thousand, one hundred eleven".