1012221111203 has 2 divisors, whose sum is σ = 1012221111204. Its totient is φ = 1012221111202.

The previous prime is 1012221111157. The next prime is 1012221111233. The reversal of 1012221111203 is 3021111222101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012221111203 - 2¹⁰ = 1012221110179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012221111233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506110555601 + 506110555602.

It is an arithmetic number, because the mean of its divisors is an integer number (506110555602).

Almost surely, 2^{1012221111203} is an apocalyptic number.

1012221111203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012221111203 is an equidigital number, since it uses as much as digits as its factorization.

1012221111203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1012221111203 its reverse (3021111222101), we get a palindrome (4033332333304).

The spelling of 1012221111203 in words is "one trillion, twelve billion, two hundred twenty-one million, one hundred eleven thousand, two hundred three".