100210220993 has 4 divisors (see below), whose sum is σ = 100237777620. Its totient is φ = 100182664368.

The previous prime is 100210220933. The next prime is 100210221019. The reversal of 100210220993 is 399022012001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33389521984 + 66820699009 = 182728^2 + 258497^2 .

It is a cyclic number.

It is not a de Polignac number, because 100210220993 - 2¹⁰ = 100210219969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100210220933) 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, 13772858 + ... + 13780131.

It is an arithmetic number, because the mean of its divisors is an integer number (25059444405).

Almost surely, 2^100210220993 is an apocalyptic number.

It is an amenable number.

100210220993 is a deficient number, since it is larger than the sum of its proper divisors (27556627).

100210220993 is an equidigital number, since it uses as much as digits as its factorization.

100210220993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27556626.

The product of its (nonzero) digits is 1944, while the sum is 29.

Adding to 100210220993 its reverse (399022012001), we get a palindrome (499232232994).

The spelling of 100210220993 in words is "one hundred billion, two hundred ten million, two hundred twenty thousand, nine hundred ninety-three".