1012022211061 has 2 divisors, whose sum is σ = 1012022211062. Its totient is φ = 1012022211060.

The previous prime is 1012022210993. The next prime is 1012022211091. The reversal of 1012022211061 is 1601122202101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 968708692900 + 43313518161 = 984230^2 + 208119^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012022211061 - 2¹¹ = 1012022209013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012022211091) 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, 506011105530 + 506011105531.

It is an arithmetic number, because the mean of its divisors is an integer number (506011105531).

Almost surely, 2^{1012022211061} is an apocalyptic number.

It is an amenable number.

1012022211061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012022211061 is an equidigital number, since it uses as much as digits as its factorization.

1012022211061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1012022211061 its reverse (1601122202101), we get a palindrome (2613144413162).

The spelling of 1012022211061 in words is "one trillion, twelve billion, twenty-two million, two hundred eleven thousand, sixty-one".