222021220001 has 8 divisors (see below), whose sum is σ = 256250800704. Its totient is φ = 188419705200.

The previous prime is 222021219977. The next prime is 222021220021. The reversal of 222021220001 is 100022120222.

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 222021220001 - 2¹⁰ = 222021218977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222021220021) 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 7 ways as a sum of consecutive naturals, for example, 157015715 + ... + 157017128.

It is an arithmetic number, because the mean of its divisors is an integer number (32031350088).

Almost surely, 2^222021220001 is an apocalyptic number.

It is an amenable number.

222021220001 is a deficient number, since it is larger than the sum of its proper divisors (34229580703).

222021220001 is a wasteful number, since it uses less digits than its factorization.

222021220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314032951.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222021220001 its reverse (100022120222), we get a palindrome (322043340223).

The spelling of 222021220001 in words is "two hundred twenty-two billion, twenty-one million, two hundred twenty thousand, one".