1210104221403 has 32 divisors (see below), whose sum is σ = 2129931348480. Its totient is φ = 591647592960.

The previous prime is 1210104221401. The next prime is 1210104221407. The reversal of 1210104221403 is 3041224010121.

It is not a de Polignac number, because 1210104221403 - 2¹ = 1210104221401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1210104221403.

It is not an unprimeable number, because it can be changed into a prime (1210104221401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154070968 + ... + 154078821.

It is an arithmetic number, because the mean of its divisors is an integer number (66560354640).

Almost surely, 2^{1210104221403} is an apocalyptic number.

1210104221403 is a deficient number, since it is larger than the sum of its proper divisors (919827127077).

1210104221403 is a wasteful number, since it uses less digits than its factorization.

1210104221403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308149827.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1210104221403 its reverse (3041224010121), we get a palindrome (4251328231524).

The spelling of 1210104221403 in words is "one trillion, two hundred ten billion, one hundred four million, two hundred twenty-one thousand, four hundred three".