20210100122222 has 32 divisors (see below), whose sum is σ = 31774555957248. Its totient is φ = 9622522630336.

The previous prime is 20210100122221. The next prime is 20210100122227. The reversal of 20210100122222 is 22222100101202.

It is a happy number.

It is a super-3 number, since 3×20210100122222³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20210100122222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210100122221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61819163 + ... + 62145225.

It is an arithmetic number, because the mean of its divisors is an integer number (992954873664).

Almost surely, 2^{20210100122222} is an apocalyptic number.

20210100122222 is a deficient number, since it is larger than the sum of its proper divisors (11564455835026).

20210100122222 is a wasteful number, since it uses less digits than its factorization.

20210100122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332104.

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

Adding to 20210100122222 its reverse (22222100101202), we get a palindrome (42432200223424).

The spelling of 20210100122222 in words is "twenty trillion, two hundred ten billion, one hundred million, one hundred twenty-two thousand, two hundred twenty-two".