20210201012222 has 48 divisors (see below), whose sum is σ = 33334793436672. Its totient is φ = 9183750095520.

The previous prime is 20210201012219. The next prime is 20210201012227. The reversal of 20210201012222 is 22221010201202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20210201012222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210201012227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16867343 + ... + 18025749.

It is an arithmetic number, because the mean of its divisors is an integer number (694474863264).

Almost surely, 2^{20210201012222} is an apocalyptic number.

20210201012222 is a deficient number, since it is larger than the sum of its proper divisors (13124592424450).

20210201012222 is a wasteful number, since it uses less digits than its factorization.

20210201012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159233 (or 1159220 counting only the distinct ones).

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

Adding to 20210201012222 its reverse (22221010201202), we get a palindrome (42431211213424).

The spelling of 20210201012222 in words is "twenty trillion, two hundred ten billion, two hundred one million, twelve thousand, two hundred twenty-two".