100122100020200 has 24 divisors (see below), whose sum is σ = 232783882547430. Its totient is φ = 40048840008000.

The previous prime is 100122100020193. The next prime is 100122100020203. The reversal of 100122100020200 is 2020001221001.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 63373795306756 + 36748304713444 = 7960766^2 + 6062038^2 .

It is not an unprimeable number, because it can be changed into a prime (100122100020203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250305249851 + ... + 250305250250.

Almost surely, 2^{100122100020200} is an apocalyptic number.

100122100020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100122100020200 is an abundant number, since it is smaller than the sum of its proper divisors (132661782527230).

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

100122100020200 is a wasteful number, since it uses less digits than its factorization.

100122100020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500610500117 (or 500610500108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100122100020200 its reverse (2020001221001), we get a palindrome (102142101241201).

The spelling of 100122100020200 in words is "one hundred trillion, one hundred twenty-two billion, one hundred million, twenty thousand, two hundred".