1002200111501 has 2 divisors, whose sum is σ = 1002200111502. Its totient is φ = 1002200111500.

The previous prime is 1002200111477. The next prime is 1002200111513. The reversal of 1002200111501 is 1051110022001.

1002200111501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 852392409001 + 149807702500 = 923251^2 + 387050^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002200111501 - 2³⁴ = 985020242317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002200116501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501100055750 + 501100055751.

It is an arithmetic number, because the mean of its divisors is an integer number (501100055751).

Almost surely, 2^{1002200111501} is an apocalyptic number.

It is an amenable number.

1002200111501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002200111501 is an equidigital number, since it uses as much as digits as its factorization.

1002200111501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 1002200111501 its reverse (1051110022001), we get a palindrome (2053310133502).

The spelling of 1002200111501 in words is "one trillion, two billion, two hundred million, one hundred eleven thousand, five hundred one".