211222101100 has 18 divisors (see below), whose sum is σ = 458351959604. Its totient is φ = 84488840400.

The previous prime is 211222101059. The next prime is 211222101113. The reversal of 211222101100 is 1101222112.

It is a super-2 number, since 2×211222101100² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1056110406 + ... + 1056110605.

Almost surely, 2^211222101100 is an apocalyptic number.

211222101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211222101100 is an abundant number, since it is smaller than the sum of its proper divisors (247129858504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211222101100 is a wasteful number, since it uses less digits than its factorization.

211222101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112221025 (or 2112221018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211222101100 its reverse (1101222112), we get a palindrome (212323323212).

The spelling of 211222101100 in words is "two hundred eleven billion, two hundred twenty-two million, one hundred one thousand, one hundred".