20010222212201 has 12 divisors (see below), whose sum is σ = 21670243246080. Its totient is φ = 18468954457200.

The previous prime is 20010222212153. The next prime is 20010222212209. The reversal of 20010222212201 is 10221222201002.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-20010222212201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20010222212201.

It is not an unprimeable number, because it can be changed into a prime (20010222212209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4922921 + ... + 8015958.

It is an arithmetic number, because the mean of its divisors is an integer number (1805853603840).

Almost surely, 2^{20010222212201} is an apocalyptic number.

It is an amenable number.

20010222212201 is a deficient number, since it is larger than the sum of its proper divisors (1660021033879).

20010222212201 is a wasteful number, since it uses less digits than its factorization.

20010222212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12948056 (or 12948043 counting only the distinct ones).

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

Adding to 20010222212201 its reverse (10221222201002), we get a palindrome (30231444413203).

The spelling of 20010222212201 in words is "twenty trillion, ten billion, two hundred twenty-two million, two hundred twelve thousand, two hundred one".