1010111001203 has 2 divisors, whose sum is σ = 1010111001204. Its totient is φ = 1010111001202.

The previous prime is 1010111001197. The next prime is 1010111001239. The reversal of 1010111001203 is 3021001110101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1010111001203 - 2¹² = 1010110997107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010111003203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505055500601 + 505055500602.

It is an arithmetic number, because the mean of its divisors is an integer number (505055500602).

Almost surely, 2^{1010111001203} is an apocalyptic number.

1010111001203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010111001203 is an equidigital number, since it uses as much as digits as its factorization.

1010111001203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 1010111001203 its reverse (3021001110101), we get a palindrome (4031112111304).

The spelling of 1010111001203 in words is "one trillion, ten billion, one hundred eleven million, one thousand, two hundred three".