2120211100203 has 16 divisors (see below), whose sum is σ = 3231041045760. Its totient is φ = 1211458008096.

The previous prime is 2120211100201. The next prime is 2120211100213. The reversal of 2120211100203 is 3020011120212.

It is not a de Polignac number, because 2120211100203 - 2¹ = 2120211100201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120211100201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3513525 + ... + 4072502.

It is an arithmetic number, because the mean of its divisors is an integer number (201940065360).

Almost surely, 2^{2120211100203} is an apocalyptic number.

2120211100203 is a deficient number, since it is larger than the sum of its proper divisors (1110829945557).

2120211100203 is a wasteful number, since it uses less digits than its factorization.

2120211100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7599346.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2120211100203 its reverse (3020011120212), we get a palindrome (5140222220415).

The spelling of 2120211100203 in words is "two trillion, one hundred twenty billion, two hundred eleven million, one hundred thousand, two hundred three".