222221121000019 has 8 divisors (see below), whose sum is σ = 226552282734960. Its totient is φ = 217895081872416.

The previous prime is 222221120999989. The next prime is 222221121000029. The reversal of 222221121000019 is 910000121122222.

It is a happy number.

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 222221121000019 - 2²⁹ = 222220584129107 is a prime.

It is a super-2 number, since 2×222221121000019² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222221120999957 and 222221121000002.

It is not an unprimeable number, because it can be changed into a prime (222221121000029) 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, 1280564229 + ... + 1280737750.

It is an arithmetic number, because the mean of its divisors is an integer number (28319035341870).

Almost surely, 2^{222221121000019} is an apocalyptic number.

222221121000019 is a deficient number, since it is larger than the sum of its proper divisors (4331161734941).

222221121000019 is a wasteful number, since it uses less digits than its factorization.

222221121000019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561303669.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 222221121000019 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, nineteen", and thus it is an aban number.