222101220212122 has 8 divisors (see below), whose sum is σ = 333452237742900. Its totient is φ = 110950474297824.

The previous prime is 222101220212083. The next prime is 222101220212153. The reversal of 222101220212122 is 221212022101222.

It can be written as a sum of positive squares in 2 ways, for example, as 201493170339241 + 20608049872881 = 14194829^2 + 4539609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 222101220212093 and 222101220212102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50067901347 + ... + 50067905782.

Almost surely, 2^{222101220212122} is an apocalyptic number.

222101220212122 is a deficient number, since it is larger than the sum of its proper divisors (111351017530778).

222101220212122 is a wasteful number, since it uses less digits than its factorization.

222101220212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100135808240.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222101220212122 its reverse (221212022101222), we get a palindrome (443313242313344).

The spelling of 222101220212122 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred twenty million, two hundred twelve thousand, one hundred twenty-two".