210120021202003 has 12 divisors (see below), whose sum is σ = 230960962827504. Its totient is φ = 191016056990000.

The previous prime is 210120021201991. The next prime is 210120021202051. The reversal of 210120021202003 is 300202120021012.

It is a happy number.

210120021202003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210120021202003 - 2¹³ = 210120021193811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210120021202073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1128450 + ... + 20530792.

It is an arithmetic number, because the mean of its divisors is an integer number (19246746902292).

Almost surely, 2^{210120021202003} is an apocalyptic number.

210120021202003 is a deficient number, since it is larger than the sum of its proper divisors (20840941625501).

210120021202003 is a wasteful number, since it uses less digits than its factorization.

210120021202003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19491866 (or 19491855 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210120021202003 its reverse (300202120021012), we get a palindrome (510322141223015).

The spelling of 210120021202003 in words is "two hundred ten trillion, one hundred twenty billion, twenty-one million, two hundred two thousand, three".