211100111100022 has 16 divisors (see below), whose sum is σ = 321376824663552. Its totient is φ = 103974508135080.

The previous prime is 211100111100017. The next prime is 211100111100049. The reversal of 211100111100022 is 220001111001112.

It is a happy number.

It is a super-2 number, since 2×211100111100022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211100111099975 and 211100111100011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123106947 + ... + 124809937.

It is an arithmetic number, because the mean of its divisors is an integer number (20086051541472).

Almost surely, 2^{211100111100022} is an apocalyptic number.

211100111100022 is a deficient number, since it is larger than the sum of its proper divisors (110276713563530).

211100111100022 is a wasteful number, since it uses less digits than its factorization.

211100111100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628123.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211100111100022 its reverse (220001111001112), we get a palindrome (431101222101134).

The spelling of 211100111100022 in words is "two hundred eleven trillion, one hundred billion, one hundred eleven million, one hundred thousand, twenty-two".