13221110100202 has 4 divisors (see below), whose sum is σ = 19831665150306. Its totient is φ = 6610555050100.

The previous prime is 13221110100193. The next prime is 13221110100221. The reversal of 13221110100202 is 20200101112231.

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

It can be written as a sum of positive squares in only one way, i.e., 7750661568001 + 5470448532201 = 2784001^2 + 2338899^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3305277525049 + ... + 3305277525052.

Almost surely, 2^{13221110100202} is an apocalyptic number.

13221110100202 is a deficient number, since it is larger than the sum of its proper divisors (6610555050104).

13221110100202 is an equidigital number, since it uses as much as digits as its factorization.

13221110100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6610555050103.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 13221110100202 its reverse (20200101112231), we get a palindrome (33421211212433).

The spelling of 13221110100202 in words is "thirteen trillion, two hundred twenty-one billion, one hundred ten million, one hundred thousand, two hundred two".