222101121101121 has 24 divisors (see below), whose sum is σ = 332880080378664. Its totient is φ = 142580379755520.

The previous prime is 222101121101081. The next prime is 222101121101173. The reversal of 222101121101121 is 121101121101222.

It is a happy number.

222101121101121 is a `hidden beast` number, since 222 + 101 + 121 + 101 + 121 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 113858716611600 + 108242404489521 = 10670460^2 + 10403961^2 .

It is not a de Polignac number, because 222101121101121 - 2⁷ = 222101121100993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222101121101094 and 222101121101103.

It is not an unprimeable number, because it can be changed into a prime (222101121101021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3437959110 + ... + 3438023711.

It is an arithmetic number, because the mean of its divisors is an integer number (13870003349111).

Almost surely, 2^{222101121101121} is an apocalyptic number.

It is an amenable number.

222101121101121 is a deficient number, since it is larger than the sum of its proper divisors (110778959277543).

222101121101121 is a wasteful number, since it uses less digits than its factorization.

222101121101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875982961 (or 6875982958 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 222101121101121 its reverse (121101121101222), we get a palindrome (343202242202343).

The spelling of 222101121101121 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred twenty-one million, one hundred one thousand, one hundred twenty-one".