211120210122211 has 32 divisors (see below), whose sum is σ = 238273773921792. Its totient is φ = 185725388436480.

The previous prime is 211120210122203. The next prime is 211120210122253. The reversal of 211120210122211 is 112221012021112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211120210122211 - 2³ = 211120210122203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211120210122281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13715721 + ... + 24705493.

It is an arithmetic number, because the mean of its divisors is an integer number (7446055435056).

Almost surely, 2^{211120210122211} is an apocalyptic number.

211120210122211 is a deficient number, since it is larger than the sum of its proper divisors (27153563799581).

211120210122211 is a wasteful number, since it uses less digits than its factorization.

211120210122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990543.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211120210122211 its reverse (112221012021112), we get a palindrome (323341222143323).

The spelling of 211120210122211 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred ten million, one hundred twenty-two thousand, two hundred eleven".