211100121233 has 8 divisors (see below), whose sum is σ = 213645189120. Its totient is φ = 208568848320.

The previous prime is 211100121209. The next prime is 211100121241. The reversal of 211100121233 is 332121001112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211100121233 is a prime.

It is a super-2 number, since 2×211100121233² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211100121733) 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, 3417953 + ... + 3479166.

It is an arithmetic number, because the mean of its divisors is an integer number (26705648640).

Almost surely, 2^211100121233 is an apocalyptic number.

It is an amenable number.

211100121233 is a deficient number, since it is larger than the sum of its proper divisors (2545067887).

211100121233 is a wasteful number, since it uses less digits than its factorization.

211100121233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6897487.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 211100121233 its reverse (332121001112), we get a palindrome (543221122345).

The spelling of 211100121233 in words is "two hundred eleven billion, one hundred million, one hundred twenty-one thousand, two hundred thirty-three".