10202200000221 has 4 divisors (see below), whose sum is σ = 13602933333632. Its totient is φ = 6801466666812.

The previous prime is 10202200000211. The next prime is 10202200000229. The reversal of 10202200000221 is 12200000220201.

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 not a de Polignac number, because 10202200000221 - 2⁷ = 10202200000093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202200000197 and 10202200000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202200000229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1700366666701 + ... + 1700366666706.

It is an arithmetic number, because the mean of its divisors is an integer number (3400733333408).

Almost surely, 2^{10202200000221} is an apocalyptic number.

It is an amenable number.

10202200000221 is a deficient number, since it is larger than the sum of its proper divisors (3400733333411).

10202200000221 is an equidigital number, since it uses as much as digits as its factorization.

10202200000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400733333410.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10202200000221 its reverse (12200000220201), we get a palindrome (22402200220422).

The spelling of 10202200000221 in words is "ten trillion, two hundred two billion, two hundred million, two hundred twenty-one", and thus it is an aban number.