13021101212203 has 4 divisors (see below), whose sum is σ = 14881258528240. Its totient is φ = 11160943896168.

The previous prime is 13021101212131. The next prime is 13021101212239. The reversal of 13021101212203 is 30221210112031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13021101212203 is a prime.

It is a super-2 number, since 2×13021101212203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13021101215203) 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, 930078658008 + ... + 930078658021.

It is an arithmetic number, because the mean of its divisors is an integer number (3720314632060).

Almost surely, 2^{13021101212203} is an apocalyptic number.

13021101212203 is a deficient number, since it is larger than the sum of its proper divisors (1860157316037).

13021101212203 is an equidigital number, since it uses as much as digits as its factorization.

13021101212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860157316036.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13021101212203 its reverse (30221210112031), we get a palindrome (43242311324234).

The spelling of 13021101212203 in words is "thirteen trillion, twenty-one billion, one hundred one million, two hundred twelve thousand, two hundred three".