222011100011221 has 8 divisors (see below), whose sum is σ = 236034770808960. Its totient is φ = 208351680403152.

The previous prime is 222011100011219. The next prime is 222011100011249. The reversal of 222011100011221 is 122110001110222.

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 222011100011221 - 2¹ = 222011100011219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222011100011195 and 222011100011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011100011021) 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, 91062796161 + ... + 91062798598.

It is an arithmetic number, because the mean of its divisors is an integer number (29504346351120).

Almost surely, 2^{222011100011221} is an apocalyptic number.

It is an amenable number.

222011100011221 is a deficient number, since it is larger than the sum of its proper divisors (14023670797739).

222011100011221 is a wasteful number, since it uses less digits than its factorization.

222011100011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182125594835.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222011100011221 its reverse (122110001110222), we get a palindrome (344121101121443).

The spelling of 222011100011221 in words is "two hundred twenty-two trillion, eleven billion, one hundred million, eleven thousand, two hundred twenty-one".