100122200986 has 4 divisors (see below), whose sum is σ = 150183301482. Its totient is φ = 50061100492.

The previous prime is 100122200957. The next prime is 100122200993. The reversal of 100122200986 is 689002221001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 94844904961 + 5277296025 = 307969^2 + 72645^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25030550245 + ... + 25030550248.

Almost surely, 2^100122200986 is an apocalyptic number.

100122200986 is a deficient number, since it is larger than the sum of its proper divisors (50061100496).

100122200986 is an equidigital number, since it uses as much as digits as its factorization.

100122200986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50061100495.

The product of its (nonzero) digits is 3456, while the sum is 31.

Adding to 100122200986 its reverse (689002221001), we get a palindrome (789124421987).

The spelling of 100122200986 in words is "one hundred billion, one hundred twenty-two million, two hundred thousand, nine hundred eighty-six".