222120120210111 has 16 divisors (see below), whose sum is σ = 329067418579200. Its totient is φ = 148079821919544.

The previous prime is 222120120210101. The next prime is 222120120210113. The reversal of 222120120210111 is 111012021021222.

222120120210111 is a `hidden beast` number, since 2 + 221 + 2 + 0 + 120 + 210 + 111 = 666.

It is not a de Polignac number, because 222120120210111 - 2⁷ = 222120120209983 is a prime.

It is a super-2 number, since 2×222120120210111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120120210113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9283950 + ... + 23031108.

It is an arithmetic number, because the mean of its divisors is an integer number (20566713661200).

Almost surely, 2^{222120120210111} is an apocalyptic number.

222120120210111 is a deficient number, since it is larger than the sum of its proper divisors (106947298369089).

222120120210111 is a wasteful number, since it uses less digits than its factorization.

222120120210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14345595 (or 14345589 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222120120210111 its reverse (111012021021222), we get a palindrome (333132141231333).

The spelling of 222120120210111 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twenty million, two hundred ten thousand, one hundred eleven".