211022123203 has 4 divisors (see below), whose sum is σ = 222128550760. Its totient is φ = 199915695648.

The previous prime is 211022123189. The next prime is 211022123227. The reversal of 211022123203 is 302321220112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211022123203 - 2⁵ = 211022123171 is a prime.

It is a super-2 number, since 2×211022123203² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 11106427537 = 211022123203 / (2 + 1 + 1 + 0 + 2 + 2 + 1 + 2 + 3 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211022123303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5553213750 + ... + 5553213787.

It is an arithmetic number, because the mean of its divisors is an integer number (55532137690).

Almost surely, 2^211022123203 is an apocalyptic number.

211022123203 is a deficient number, since it is larger than the sum of its proper divisors (11106427557).

211022123203 is a wasteful number, since it uses less digits than its factorization.

211022123203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106427556.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 211022123203 its reverse (302321220112), we get a palindrome (513343343315).

The spelling of 211022123203 in words is "two hundred eleven billion, twenty-two million, one hundred twenty-three thousand, two hundred three".