2212100205 has 16 divisors (see below), whose sum is σ = 4044983424. Its totient is φ = 1011245760.

The previous prime is 2212100179. The next prime is 2212100243. The reversal of 2212100205 is 5020012122.

It is not a de Polignac number, because 2212100205 - 2⁸ = 2212099949 is a prime.

It is a super-2 number, since 2×2212100205² = 9786774633922084050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10533706 + ... + 10533915.

It is an arithmetic number, because the mean of its divisors is an integer number (252811464).

Almost surely, 2^2212100205 is an apocalyptic number.

It is an amenable number.

2212100205 is a deficient number, since it is larger than the sum of its proper divisors (1832883219).

2212100205 is a wasteful number, since it uses less digits than its factorization.

2212100205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21067636.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2212100205 is about 47032.9693406657. The cubic root of 2212100205 is about 1302.9715466297.

Adding to 2212100205 its reverse (5020012122), we get a palindrome (7232112327).

The spelling of 2212100205 in words is "two billion, two hundred twelve million, one hundred thousand, two hundred five".