1002111203 has 2 divisors, whose sum is σ = 1002111204. Its totient is φ = 1002111202.

The previous prime is 1002111199. The next prime is 1002111277. The reversal of 1002111203 is 3021112001.

It is a weak prime.

It is an emirp because it is prime and its reverse (3021112001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002111203 - 2² = 1002111199 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002111503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501055601 + 501055602.

It is an arithmetic number, because the mean of its divisors is an integer number (501055602).

Almost surely, 2^1002111203 is an apocalyptic number.

1002111203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002111203 is an equidigital number, since it uses as much as digits as its factorization.

1002111203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1002111203 is about 31656.1400521289. The cubic root of 1002111203 is about 1000.7032396714.

Adding to 1002111203 its reverse (3021112001), we get a palindrome (4023223204).

The spelling of 1002111203 in words is "one billion, two million, one hundred eleven thousand, two hundred three".