100202201010221 has 4 divisors (see below), whose sum is σ = 104558818445472. Its totient is φ = 95845583574972.

The previous prime is 100202201010181. The next prime is 100202201010229. The reversal of 100202201010221 is 122010102202001.

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-100202201010221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100202201010196 and 100202201010205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100202201010229) 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, 2178308717591 + ... + 2178308717636.

It is an arithmetic number, because the mean of its divisors is an integer number (26139704611368).

Almost surely, 2^{100202201010221} is an apocalyptic number.

It is an amenable number.

100202201010221 is a deficient number, since it is larger than the sum of its proper divisors (4356617435251).

100202201010221 is an equidigital number, since it uses as much as digits as its factorization.

100202201010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356617435250.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100202201010221 its reverse (122010102202001), we get a palindrome (222212303212222).

The spelling of 100202201010221 in words is "one hundred trillion, two hundred two billion, two hundred one million, ten thousand, two hundred twenty-one".