13113213220202 has 4 divisors (see below), whose sum is σ = 19669819830306. Its totient is φ = 6556606610100.

The previous prime is 13113213220193. The next prime is 13113213220241. The reversal of 13113213220202 is 20202231231131.

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., 10733873035081 + 2379340185121 = 3276259^2 + 1542511^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3278303305049 + ... + 3278303305052.

Almost surely, 2^{13113213220202} is an apocalyptic number.

13113213220202 is a deficient number, since it is larger than the sum of its proper divisors (6556606610104).

13113213220202 is an equidigital number, since it uses as much as digits as its factorization.

13113213220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556606610103.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13113213220202 its reverse (20202231231131), we get a palindrome (33315444451333).

The spelling of 13113213220202 in words is "thirteen trillion, one hundred thirteen billion, two hundred thirteen million, two hundred twenty thousand, two hundred two".