211220200112211 has 6 divisors (see below), whose sum is σ = 305095844606540. Its totient is φ = 140813466741468.

The previous prime is 211220200112209. The next prime is 211220200112221. The reversal of 211220200112211 is 112211002022112.

211220200112211 is a `hidden beast` number, since 2 + 11 + 220 + 200 + 11 + 221 + 1 = 666.

It is not a de Polignac number, because 211220200112211 - 2¹ = 211220200112209 is a prime.

It is a super-2 number, since 2×211220200112211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211220200112221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11734455561781 + ... + 11734455561798.

Almost surely, 2^{211220200112211} is an apocalyptic number.

211220200112211 is a deficient number, since it is larger than the sum of its proper divisors (93875644494329).

211220200112211 is a wasteful number, since it uses less digits than its factorization.

211220200112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23468911123585 (or 23468911123582 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211220200112211 its reverse (112211002022112), we get a palindrome (323431202134323).

The spelling of 211220200112211 in words is "two hundred eleven trillion, two hundred twenty billion, two hundred million, one hundred twelve thousand, two hundred eleven".