2100003212203 has 16 divisors (see below), whose sum is σ = 2283622344640. Its totient is φ = 1919540467584.

The previous prime is 2100003212173. The next prime is 2100003212267. The reversal of 2100003212203 is 3022123000012.

It is a cyclic number.

It is not a de Polignac number, because 2100003212203 - 2¹³ = 2100003204011 is a prime.

It is a super-2 number, since 2×2100003212203² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2100003219203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36270025 + ... + 36327877.

It is an arithmetic number, because the mean of its divisors is an integer number (142726396540).

Almost surely, 2^{2100003212203} is an apocalyptic number.

2100003212203 is a deficient number, since it is larger than the sum of its proper divisors (183619132437).

2100003212203 is a wasteful number, since it uses less digits than its factorization.

2100003212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85078.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2100003212203 its reverse (3022123000012), we get a palindrome (5122126212215).

The spelling of 2100003212203 in words is "two trillion, one hundred billion, three million, two hundred twelve thousand, two hundred three".