222122011200221 has 16 divisors (see below), whose sum is σ = 247970618058240. Its totient is φ = 197216795695920.

The previous prime is 222122011200197. The next prime is 222122011200277. The reversal of 222122011200221 is 122002110221222.

It is not a de Polignac number, because 222122011200221 - 2¹⁰ = 222122011199197 is a prime.

It is a super-2 number, since 2×222122011200221² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222122011200193 and 222122011200202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122011200421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13642355 + ... + 25106928.

It is an arithmetic number, because the mean of its divisors is an integer number (15498163628640).

Almost surely, 2^{222122011200221} is an apocalyptic number.

It is an amenable number.

222122011200221 is a deficient number, since it is larger than the sum of its proper divisors (25848606858019).

222122011200221 is a wasteful number, since it uses less digits than its factorization.

222122011200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38761456.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222122011200221 its reverse (122002110221222), we get a palindrome (344124121421443).

The spelling of 222122011200221 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, eleven million, two hundred thousand, two hundred twenty-one".