211120022021211 has 6 divisors (see below), whose sum is σ = 304951142919540. Its totient is φ = 140746681347468.

The previous prime is 211120022021101. The next prime is 211120022021281. The reversal of 211120022021211 is 112120220021112.

211120022021211 is a `hidden beast` number, since 2 + 1 + 11 + 200 + 220 + 21 + 211 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-211120022021211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211120022021281) 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, 11728890112281 + ... + 11728890112298.

It is an arithmetic number, because the mean of its divisors is an integer number (50825190486590).

Almost surely, 2^{211120022021211} is an apocalyptic number.

211120022021211 is a deficient number, since it is larger than the sum of its proper divisors (93831120898329).

211120022021211 is a wasteful number, since it uses less digits than its factorization.

211120022021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23457780224585 (or 23457780224582 counting only the distinct ones).

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

Adding to 211120022021211 its reverse (112120220021112), we get a palindrome (323240242042323).

The spelling of 211120022021211 in words is "two hundred eleven trillion, one hundred twenty billion, twenty-two million, twenty-one thousand, two hundred eleven".