100022009986 has 4 divisors (see below), whose sum is σ = 150033014982. Its totient is φ = 50011004992.

The previous prime is 100022009957. The next prime is 100022009987. The reversal of 100022009986 is 689900220001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 689900220001 = 9157 ⋅75341293.

It can be written as a sum of positive squares in only one way, i.e., 58961066761 + 41060943225 = 242819^2 + 202635^2 .

It is not an unprimeable number, because it can be changed into a prime (100022009987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25005502495 + ... + 25005502498.

Almost surely, 2^100022009986 is an apocalyptic number.

100022009986 is a deficient number, since it is larger than the sum of its proper divisors (50011004996).

100022009986 is an equidigital number, since it uses as much as digits as its factorization.

100022009986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50011004995.

The product of its (nonzero) digits is 15552, while the sum is 37.

Adding to 100022009986 its reverse (689900220001), we get a palindrome (789922229987).

The spelling of 100022009986 in words is "one hundred billion, twenty-two million, nine thousand, nine hundred eighty-six".