222121002211001 has 8 divisors (see below), whose sum is σ = 227238374341440. Its totient is φ = 217048717060048.

The previous prime is 222121002210971. The next prime is 222121002211013. The reversal of 222121002211001 is 100112200121222.

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 222121002211001 - 2³⁰ = 222119928469177 is a prime.

It is a super-2 number, since 2×222121002211001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222121002211051) 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, 11271734906 + ... + 11271754611.

It is an arithmetic number, because the mean of its divisors is an integer number (28404796792680).

Almost surely, 2^{222121002211001} is an apocalyptic number.

It is an amenable number.

222121002211001 is a deficient number, since it is larger than the sum of its proper divisors (5117372130439).

222121002211001 is a wasteful number, since it uses less digits than its factorization.

222121002211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22543489743.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222121002211001 its reverse (100112200121222), we get a palindrome (322233202332223).

The spelling of 222121002211001 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, two million, two hundred eleven thousand, one".