20210010121222 has 16 divisors (see below), whose sum is σ = 31293316749312. Its totient is φ = 9778912826760.

The previous prime is 20210010121177. The next prime is 20210010121229. The reversal of 20210010121222 is 22212101001202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20210010121196 and 20210010121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210010121229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2940793 + ... + 7004875.

It is an arithmetic number, because the mean of its divisors is an integer number (1955832296832).

Almost surely, 2^{20210010121222} is an apocalyptic number.

20210010121222 is a deficient number, since it is larger than the sum of its proper divisors (11083306628090).

20210010121222 is a wasteful number, since it uses less digits than its factorization.

20210010121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144323.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20210010121222 its reverse (22212101001202), we get a palindrome (42422111122424).

The spelling of 20210010121222 in words is "twenty trillion, two hundred ten billion, ten million, one hundred twenty-one thousand, two hundred twenty-two".