211000000022 has 16 divisors (see below), whose sum is σ = 363608082432. Its totient is φ = 89955122280.

The previous prime is 211000000009. The next prime is 211000000027. The reversal of 211000000022 is 220000000112.

It is a junction number, because it is equal to n+sod(n) for n = 210999999946 and 211000000009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211000000027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39451328 + ... + 39456675.

It is an arithmetic number, because the mean of its divisors is an integer number (22725505152).

Almost surely, 2^211000000022 is an apocalyptic number.

211000000022 is a deficient number, since it is larger than the sum of its proper divisors (152608082410).

211000000022 is a wasteful number, since it uses less digits than its factorization.

211000000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78908203.

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

Adding to 211000000022 its reverse (220000000112), we get a palindrome (431000000134).

The spelling of 211000000022 in words is "two hundred eleven billion, twenty-two", and thus it is an aban number.