20122100110002 has 64 divisors (see below), whose sum is σ = 43923544750080. Its totient is φ = 6094720713600.

The previous prime is 20122100109989. The next prime is 20122100110069. The reversal of 20122100110002 is 20001100122102.

It is a self number, because there is not a number n which added to its sum of digits gives 20122100110002.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2133155478 + ... + 2133164910.

It is an arithmetic number, because the mean of its divisors is an integer number (686305386720).

Almost surely, 2^{20122100110002} is an apocalyptic number.

20122100110002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20122100110002 is an abundant number, since it is smaller than the sum of its proper divisors (23801444640078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20122100110002 is a wasteful number, since it uses less digits than its factorization.

20122100110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21319.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20122100110002 its reverse (20001100122102), we get a palindrome (40123200232104).

The spelling of 20122100110002 in words is "twenty trillion, one hundred twenty-two billion, one hundred million, one hundred ten thousand, two".