211012212102203 has 16 divisors (see below), whose sum is σ = 217035862757280. Its totient is φ = 205005655296000.

The previous prime is 211012212102199. The next prime is 211012212102217. The reversal of 211012212102203 is 302201212210112.

It is a cyclic number.

It is not a de Polignac number, because 211012212102203 - 2² = 211012212102199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211012212102253) 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, 67845533 + ... + 70887521.

It is an arithmetic number, because the mean of its divisors is an integer number (13564741422330).

Almost surely, 2^{211012212102203} is an apocalyptic number.

211012212102203 is a deficient number, since it is larger than the sum of its proper divisors (6023650655077).

211012212102203 is a wasteful number, since it uses less digits than its factorization.

211012212102203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044798.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 211012212102203 its reverse (302201212210112), we get a palindrome (513213424312315).

The spelling of 211012212102203 in words is "two hundred eleven trillion, twelve billion, two hundred twelve million, one hundred two thousand, two hundred three".