2102211223203 has 64 divisors (see below), whose sum is σ = 3491980756992. Its totient is φ = 1095348787200.

The previous prime is 2102211223201. The next prime is 2102211223213. The reversal of 2102211223203 is 3023221122012.

It is not a de Polignac number, because 2102211223203 - 2¹ = 2102211223201 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 2102211223203.

It is not an unprimeable number, because it can be changed into a prime (2102211223201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11182501 + ... + 11368937.

It is an arithmetic number, because the mean of its divisors is an integer number (54562199328).

Almost surely, 2^{2102211223203} is an apocalyptic number.

2102211223203 is a deficient number, since it is larger than the sum of its proper divisors (1389769533789).

2102211223203 is a wasteful number, since it uses less digits than its factorization.

2102211223203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186964.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2102211223203 its reverse (3023221122012), we get a palindrome (5125432345215).

The spelling of 2102211223203 in words is "two trillion, one hundred two billion, two hundred eleven million, two hundred twenty-three thousand, two hundred three".