222120120012001 has 8 divisors (see below), whose sum is σ = 222363945835808. Its totient is φ = 221876423100000.

The previous prime is 222120120011989. The next prime is 222120120012023. The reversal of 222120120012001 is 100210021021222.

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 222120120012001 - 2¹³ = 222120120003809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222120120022001) 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, 28779780 + ... + 35672341.

It is an arithmetic number, because the mean of its divisors is an integer number (27795493229476).

Almost surely, 2^{222120120012001} is an apocalyptic number.

It is an amenable number.

222120120012001 is a deficient number, since it is larger than the sum of its proper divisors (243825823807).

222120120012001 is a wasteful number, since it uses less digits than its factorization.

222120120012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64455903.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222120120012001 its reverse (100210021021222), we get a palindrome (322330141033223).

The spelling of 222120120012001 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twenty million, twelve thousand, one".