13101220203122 has 4 divisors (see below), whose sum is σ = 19651830304686. Its totient is φ = 6550610101560.

The previous prime is 13101220203107. The next prime is 13101220203139. The reversal of 13101220203122 is 22130202210131.

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., 12234122148361 + 867098054761 = 3497731^2 + 931181^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13101220203094 and 13101220203103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275305050779 + ... + 3275305050782.

Almost surely, 2^{13101220203122} is an apocalyptic number.

13101220203122 is a deficient number, since it is larger than the sum of its proper divisors (6550610101564).

13101220203122 is an equidigital number, since it uses as much as digits as its factorization.

13101220203122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550610101563.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13101220203122 its reverse (22130202210131), we get a palindrome (35231422413253).

The spelling of 13101220203122 in words is "thirteen trillion, one hundred one billion, two hundred twenty million, two hundred three thousand, one hundred twenty-two".