1210022211173 has 2 divisors, whose sum is σ = 1210022211174. Its totient is φ = 1210022211172.

The previous prime is 1210022211107. The next prime is 1210022211179. The reversal of 1210022211173 is 3711122200121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1195298330209 + 14723880964 = 1093297^2 + 121342^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210022211173 - 2¹² = 1210022207077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210022211179) 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, 605011105586 + 605011105587.

It is an arithmetic number, because the mean of its divisors is an integer number (605011105587).

Almost surely, 2^{1210022211173} is an apocalyptic number.

It is an amenable number.

1210022211173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210022211173 is an equidigital number, since it uses as much as digits as its factorization.

1210022211173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 1210022211173 its reverse (3711122200121), we get a palindrome (4921144411294).

The spelling of 1210022211173 in words is "one trillion, two hundred ten billion, twenty-two million, two hundred eleven thousand, one hundred seventy-three".