211222221201120 has 48 divisors (see below), whose sum is σ = 665349996785040. Its totient is φ = 56325925653504.

The previous prime is 211222221201071. The next prime is 211222221201139. The reversal of 211222221201120 is 21102122222112.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×211222221201120² (a number of 29 digits) contains 22 as substring.

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, 220023146605 + ... + 220023147564.

It is an arithmetic number, because the mean of its divisors is an integer number (13861458266355).

Almost surely, 2^{211222221201120} is an apocalyptic number.

211222221201120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211222221201120 is an abundant number, since it is smaller than the sum of its proper divisors (454127775583920).

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

211222221201120 is a wasteful number, since it uses less digits than its factorization.

211222221201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440046294187 (or 440046294179 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 211222221201120 its reverse (21102122222112), we get a palindrome (232324343423232).

The spelling of 211222221201120 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred one thousand, one hundred twenty".