100220000011993 has 4 divisors (see below), whose sum is σ = 100220036565888. Its totient is φ = 100219963458100.

The previous prime is 100220000011907. The next prime is 100220000012021. The reversal of 100220000011993 is 399110000022001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100220000011993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100220000011193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13798621 + ... + 19769722.

It is an arithmetic number, because the mean of its divisors is an integer number (25055009141472).

Almost surely, 2^{100220000011993} is an apocalyptic number.

It is an amenable number.

100220000011993 is a deficient number, since it is larger than the sum of its proper divisors (36553895).

100220000011993 is an equidigital number, since it uses as much as digits as its factorization.

100220000011993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36553894.

The product of its (nonzero) digits is 972, while the sum is 28.

Adding to 100220000011993 its reverse (399110000022001), we get a palindrome (499330000033994).

The spelling of 100220000011993 in words is "one hundred trillion, two hundred twenty billion, eleven thousand, nine hundred ninety-three".