222210011201121 has 24 divisors (see below), whose sum is σ = 335768711265000. Its totient is φ = 141424633228032.

The previous prime is 222210011201111. The next prime is 222210011201137. The reversal of 222210011201121 is 121102110012222.

222210011201121 is a `hidden beast` number, since 222 + 210 + 0 + 1 + 120 + 112 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4448045503521 + 217761965697600 = 2109039^2 + 14756760^2 .

It is not a de Polignac number, because 222210011201121 - 2³⁷ = 222072572247649 is a prime.

It is a super-2 number, since 2×222210011201121² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222210011201094 and 222210011201103.

It is not an unprimeable number, because it can be changed into a prime (222210011201111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4783006846 + ... + 4783053303.

It is an arithmetic number, because the mean of its divisors is an integer number (13990362969375).

Almost surely, 2^{222210011201121} is an apocalyptic number.

It is an amenable number.

222210011201121 is a deficient number, since it is larger than the sum of its proper divisors (113558700063879).

222210011201121 is a wasteful number, since it uses less digits than its factorization.

222210011201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9566060273 (or 9566060270 counting only the distinct ones).

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

Adding to 222210011201121 its reverse (121102110012222), we get a palindrome (343312121213343).

The spelling of 222210011201121 in words is "two hundred twenty-two trillion, two hundred ten billion, eleven million, two hundred one thousand, one hundred twenty-one".