211210022110011 has 16 divisors (see below), whose sum is σ = 281949441849504. Its totient is φ = 140638650604544.

The previous prime is 211210022109991. The next prime is 211210022110019. The reversal of 211210022110011 is 110011220012112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211210022110011 - 2⁵ = 211210022109979 is a prime.

It is a super-2 number, since 2×211210022110011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211210022110019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97638535 + ... + 99778271.

It is an arithmetic number, because the mean of its divisors is an integer number (17621840115594).

Almost surely, 2^{211210022110011} is an apocalyptic number.

211210022110011 is a deficient number, since it is larger than the sum of its proper divisors (70739419739493).

211210022110011 is a wasteful number, since it uses less digits than its factorization.

211210022110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178990.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211210022110011 its reverse (110011220012112), we get a palindrome (321221242122123).

The spelling of 211210022110011 in words is "two hundred eleven trillion, two hundred ten billion, twenty-two million, one hundred ten thousand, eleven".