1001220112153 has 2 divisors, whose sum is σ = 1001220112154. Its totient is φ = 1001220112152.

The previous prime is 1001220112103. The next prime is 1001220112157. The reversal of 1001220112153 is 3512110221001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1000376035344 + 844076809 = 1000188^2 + 29053^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001220112153 - 2¹⁷ = 1001219981081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001220112153.

It is not a weakly prime, because it can be changed into another prime (1001220112157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500610056076 + 500610056077.

It is an arithmetic number, because the mean of its divisors is an integer number (500610056077).

Almost surely, 2^{1001220112153} is an apocalyptic number.

It is an amenable number.

1001220112153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001220112153 is an equidigital number, since it uses as much as digits as its factorization.

1001220112153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 1001220112153 its reverse (3512110221001), we get a palindrome (4513330333154).

The spelling of 1001220112153 in words is "one trillion, one billion, two hundred twenty million, one hundred twelve thousand, one hundred fifty-three".