22002120212001 has 16 divisors (see below), whose sum is σ = 29431470735360. Its totient is φ = 14620495887440.

The previous prime is 22002120211943. The next prime is 22002120212071. The reversal of 22002120212001 is 10021202120022.

It is a cyclic number.

It is not a de Polignac number, because 22002120212001 - 2¹⁰ = 22002120210977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22002120212071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7630755 + ... + 10111016.

It is an arithmetic number, because the mean of its divisors is an integer number (1839466920960).

Almost surely, 2^{22002120212001} is an apocalyptic number.

It is an amenable number.

22002120212001 is a deficient number, since it is larger than the sum of its proper divisors (7429350523359).

22002120212001 is a wasteful number, since it uses less digits than its factorization.

22002120212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17743116.

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

Adding to 22002120212001 its reverse (10021202120022), we get a palindrome (32023322332023).

The spelling of 22002120212001 in words is "twenty-two trillion, two billion, one hundred twenty million, two hundred twelve thousand, one".