222212210022121 has 8 divisors (see below), whose sum is σ = 242421745982688. Its totient is φ = 202004078388000.

The previous prime is 222212210022059. The next prime is 222212210022139. The reversal of 222212210022121 is 121220012212222.

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

It is a cyclic number.

It is not a de Polignac number, because 222212210022121 - 2¹⁵ = 222212209989353 is a prime.

It is a super-3 number, since 3×222212210022121³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222212210022092 and 222212210022101.

It is not an unprimeable number, because it can be changed into a prime (222212210022151) 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 7 ways as a sum of consecutive naturals, for example, 350750740 + ... + 351383701.

It is an arithmetic number, because the mean of its divisors is an integer number (30302718247836).

Almost surely, 2^{222212210022121} is an apocalyptic number.

It is an amenable number.

222212210022121 is a deficient number, since it is larger than the sum of its proper divisors (20209535960567).

222212210022121 is a wasteful number, since it uses less digits than its factorization.

222212210022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702163223.

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

Adding to 222212210022121 its reverse (121220012212222), we get a palindrome (343432222234343).

The spelling of 222212210022121 in words is "two hundred twenty-two trillion, two hundred twelve billion, two hundred ten million, twenty-two thousand, one hundred twenty-one".