211122111022 has 8 divisors (see below), whose sum is σ = 317826427896. Its totient is φ = 105179968392.

The previous prime is 211122110977. The next prime is 211122111041. The reversal of 211122111022 is 220111221112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 211122110987 and 211122111005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190542868 + ... + 190543975.

It is an arithmetic number, because the mean of its divisors is an integer number (39728303487).

Almost surely, 2^211122111022 is an apocalyptic number.

211122111022 is a deficient number, since it is larger than the sum of its proper divisors (106704316874).

211122111022 is a wasteful number, since it uses less digits than its factorization.

211122111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381087122.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211122111022 its reverse (220111221112), we get a palindrome (431233332134).

The spelling of 211122111022 in words is "two hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, twenty-two".