1211000222093 has 2 divisors, whose sum is σ = 1211000222094. Its totient is φ = 1211000222092.

The previous prime is 1211000222059. The next prime is 1211000222167. The reversal of 1211000222093 is 3902220001121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1102882233124 + 108117988969 = 1050182^2 + 328813^2 .

It is a cyclic number.

It is not a de Polignac number, because 1211000222093 - 2²² = 1210996027789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211000225093) 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, 605500111046 + 605500111047.

It is an arithmetic number, because the mean of its divisors is an integer number (605500111047).

Almost surely, 2^{1211000222093} is an apocalyptic number.

It is an amenable number.

1211000222093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211000222093 is an equidigital number, since it uses as much as digits as its factorization.

1211000222093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 1211000222093 in words is "one trillion, two hundred eleven billion, two hundred twenty-two thousand, ninety-three".