1210100111003 has 8 divisors (see below), whose sum is σ = 1383221820672. Its totient is φ = 1037040967656.

The previous prime is 1210100110993. The next prime is 1210100111023. The reversal of 1210100111003 is 3001110010121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1210100111003 - 2¹² = 1210100106907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210100111023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15600125 + ... + 15677502.

It is an arithmetic number, because the mean of its divisors is an integer number (172902727584).

Almost surely, 2^{1210100111003} is an apocalyptic number.

1210100111003 is a deficient number, since it is larger than the sum of its proper divisors (173121709669).

1210100111003 is an equidigital number, since it uses as much as digits as its factorization.

1210100111003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31283161.

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

Adding to 1210100111003 its reverse (3001110010121), we get a palindrome (4211210121124).

The spelling of 1210100111003 in words is "one trillion, two hundred ten billion, one hundred million, one hundred eleven thousand, three".