20201010212222 has 16 divisors (see below), whose sum is σ = 36667379881440. Its totient is φ = 8148306640128.

The previous prime is 20201010212209. The next prime is 20201010212231. The reversal of 20201010212222 is 22221201010202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 20201010212222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42439096847 + ... + 42439097322.

It is an arithmetic number, because the mean of its divisors is an integer number (2291711242590).

Almost surely, 2^{20201010212222} is an apocalyptic number.

20201010212222 is a deficient number, since it is larger than the sum of its proper divisors (16466369669218).

20201010212222 is a wasteful number, since it uses less digits than its factorization.

20201010212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84878194195.

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

Adding to 20201010212222 its reverse (22221201010202), we get a palindrome (42422211222424).

The spelling of 20201010212222 in words is "twenty trillion, two hundred one billion, ten million, two hundred twelve thousand, two hundred twenty-two".