2210121210203 has 4 divisors (see below), whose sum is σ = 2222896477488. Its totient is φ = 2197345942920.

The previous prime is 2210121210169. The next prime is 2210121210217. The reversal of 2210121210203 is 3020121210122.

2210121210203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2210121210203 - 2¹⁶ = 2210121144667 is a prime.

It is a super-2 number, since 2×2210121210203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2210121210403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6387633383 + ... + 6387633728.

It is an arithmetic number, because the mean of its divisors is an integer number (555724119372).

Almost surely, 2^{2210121210203} is an apocalyptic number.

2210121210203 is a deficient number, since it is larger than the sum of its proper divisors (12775267285).

2210121210203 is a wasteful number, since it uses less digits than its factorization.

2210121210203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12775267284.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2210121210203 its reverse (3020121210122), we get a palindrome (5230242420325).

The spelling of 2210121210203 in words is "two trillion, two hundred ten billion, one hundred twenty-one million, two hundred ten thousand, two hundred three".