100000200022120 has 16 divisors (see below), whose sum is σ = 225000450049860. Its totient is φ = 40000080008832.

The previous prime is 100000200022057. The next prime is 100000200022127. The reversal of 100000200022120 is 21220002000001.

It can be written as a sum of positive squares in 2 ways, for example, as 85355388484804 + 14644811537316 = 9238798^2 + 3826854^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 100000200022097 and 100000200022106.

It is not an unprimeable number, because it can be changed into a prime (100000200022127) 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 3 ways as a sum of consecutive naturals, for example, 1250002500237 + ... + 1250002500316.

Almost surely, 2^{100000200022120} is an apocalyptic number.

100000200022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100000200022120 is an abundant number, since it is smaller than the sum of its proper divisors (125000250027740).

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

100000200022120 is a wasteful number, since it uses less digits than its factorization.

100000200022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500005000564 (or 2500005000560 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 100000200022120 its reverse (21220002000001), we get a palindrome (121220202022121).

The spelling of 100000200022120 in words is "one hundred trillion, two hundred million, twenty-two thousand, one hundred twenty".