211122221203 has 8 divisors (see below), whose sum is σ = 211724637696. Its totient is φ = 210520619400.

The previous prime is 211122221173. The next prime is 211122221249. The reversal of 211122221203 is 302122221112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211122221203 - 2¹³ = 211122213011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211122225203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317250 + ... + 723112.

It is an arithmetic number, because the mean of its divisors is an integer number (26465579712).

Almost surely, 2^211122221203 is an apocalyptic number.

211122221203 is a deficient number, since it is larger than the sum of its proper divisors (602416493).

211122221203 is an equidigital number, since it uses as much as digits as its factorization.

211122221203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407345.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 211122221203 its reverse (302122221112), we get a palindrome (513244442315).

Subtracting 211122221203 from its reverse (302122221112), we obtain a palindrome (90999999909).

The spelling of 211122221203 in words is "two hundred eleven billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred three".