211222240120 has 16 divisors (see below), whose sum is σ = 475250040360. Its totient is φ = 84488896032.

The previous prime is 211222240063. The next prime is 211222240127. The reversal of 211222240120 is 21042222112.

It is a super-2 number, since 2×211222240120² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222240127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2640277962 + ... + 2640278041.

Almost surely, 2^211222240120 is an apocalyptic number.

211222240120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211222240120 is an abundant number, since it is smaller than the sum of its proper divisors (264027800240).

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

211222240120 is a wasteful number, since it uses less digits than its factorization.

211222240120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280556014 (or 5280556010 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 211222240120 its reverse (21042222112), we get a palindrome (232264462232).

The spelling of 211222240120 in words is "two hundred eleven billion, two hundred twenty-two million, two hundred forty thousand, one hundred twenty".