22002120021201 has 8 divisors (see below), whose sum is σ = 29336188722720. Its totient is φ = 14668065666912.

The previous prime is 22002120021197. The next prime is 22002120021227. The reversal of 22002120021201 is 10212002120022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22002120021201 - 2² = 22002120021197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22002120021001) 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, 735586 + ... + 6674228.

It is an arithmetic number, because the mean of its divisors is an integer number (3667023590340).

Almost surely, 2^{22002120021201} is an apocalyptic number.

It is an amenable number.

22002120021201 is a deficient number, since it is larger than the sum of its proper divisors (7334068701519).

22002120021201 is a wasteful number, since it uses less digits than its factorization.

22002120021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173615.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22002120021201 its reverse (10212002120022), we get a palindrome (32214122141223).

The spelling of 22002120021201 in words is "twenty-two trillion, two billion, one hundred twenty million, twenty-one thousand, two hundred one".