222122120020001 has 8 divisors (see below), whose sum is σ = 223596660288384. Its totient is φ = 220647626236800.

The previous prime is 222122120019941. The next prime is 222122120020049. The reversal of 222122120020001 is 100020021221222.

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 222122120020001 - 2²⁶ = 222122052911137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222122120020061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2006576 + ... + 21172401.

It is an arithmetic number, because the mean of its divisors is an integer number (27949582536048).

Almost surely, 2^{222122120020001} is an apocalyptic number.

It is an amenable number.

222122120020001 is a deficient number, since it is larger than the sum of its proper divisors (1474540268383).

222122120020001 is a wasteful number, since it uses less digits than its factorization.

222122120020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23242591.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222122120020001 its reverse (100020021221222), we get a palindrome (322142141241223).

The spelling of 222122120020001 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one hundred twenty million, twenty thousand, one".