222120221010111 has 144 divisors (see below), whose sum is σ = 336492825649344. Its totient is φ = 141172035840000.

The previous prime is 222120221010071. The next prime is 222120221010113. The reversal of 222120221010111 is 111010122021222.

222120221010111 is a `hidden beast` number, since 222 + 120 + 2 + 210 + 1 + 0 + 111 = 666.

It is not a de Polignac number, because 222120221010111 - 2¹⁰ = 222120221009087 is a prime.

It is a super-2 number, since 2×222120221010111² (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 (222120221010113) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 252122838391 + ... + 252122839271.

It is an arithmetic number, because the mean of its divisors is an integer number (2336755733676).

Almost surely, 2^{222120221010111} is an apocalyptic number.

222120221010111 is a deficient number, since it is larger than the sum of its proper divisors (114372604639233).

222120221010111 is a wasteful number, since it uses less digits than its factorization.

222120221010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174 (or 2140 counting only the distinct ones).

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

Adding to 222120221010111 its reverse (111010122021222), we get a palindrome (333130343031333).

The spelling of 222120221010111 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred twenty-one million, ten thousand, one hundred eleven".