222211020111221 has 8 divisors (see below), whose sum is σ = 233923436899200. Its totient is φ = 210500313317280.

The previous prime is 222211020111211. The next prime is 222211020111257. The reversal of 222211020111221 is 122111020112222.

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 222211020111221 - 2²² = 222211015916917 is a prime.

It is a super-2 number, since 2×222211020111221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222211020111193 and 222211020111202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211020111211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427231760 + ... + 427751561.

It is an arithmetic number, because the mean of its divisors is an integer number (29240429612400).

Almost surely, 2^{222211020111221} is an apocalyptic number.

It is an amenable number.

222211020111221 is a deficient number, since it is larger than the sum of its proper divisors (11712416787979).

222211020111221 is a wasteful number, since it uses less digits than its factorization.

222211020111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854997019.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222211020111221 its reverse (122111020112222), we get a palindrome (344322040223443).

The spelling of 222211020111221 in words is "two hundred twenty-two trillion, two hundred eleven billion, twenty million, one hundred eleven thousand, two hundred twenty-one".