10121211303 has 16 divisors (see below), whose sum is σ = 15713796096. Its totient is φ = 5674425120.

The previous prime is 10121211293. The next prime is 10121211319. The reversal of 10121211303 is 30311212101.

It is a happy number.

It is not a de Polignac number, because 10121211303 - 2⁵ = 10121211271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121231303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4545703 + ... + 4547928.

It is an arithmetic number, because the mean of its divisors is an integer number (982112256).

Almost surely, 2^10121211303 is an apocalyptic number.

10121211303 is a deficient number, since it is larger than the sum of its proper divisors (5592584793).

10121211303 is an equidigital number, since it uses as much as digits as its factorization.

10121211303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9093694.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10121211303 its reverse (30311212101), we get a palindrome (40432423404).

The spelling of 10121211303 in words is "ten billion, one hundred twenty-one million, two hundred eleven thousand, three hundred three".