13021220011002 has 48 divisors (see below), whose sum is σ = 30865856944032. Its totient is φ = 3650153314080.

The previous prime is 13021220010979. The next prime is 13021220011097. The reversal of 13021220011002 is 20011002212031.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 417813324 + ... + 417844487.

It is an arithmetic number, because the mean of its divisors is an integer number (643038686334).

Almost surely, 2^{13021220011002} is an apocalyptic number.

13021220011002 is an abundant number, since it is smaller than the sum of its proper divisors (17844636933030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13021220011002 is a wasteful number, since it uses less digits than its factorization.

13021220011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835657883 (or 835657876 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 13021220011002 its reverse (20011002212031), we get a palindrome (33032222223033).

The spelling of 13021220011002 in words is "thirteen trillion, twenty-one billion, two hundred twenty million, eleven thousand, two".