13212321102101 has 12 divisors (see below), whose sum is σ = 14551737480000. Its totient is φ = 11987130404040.

The previous prime is 13212321102091. The next prime is 13212321102103. The reversal of 13212321102101 is 10120112321231.

It is not a de Polignac number, because 13212321102101 - 2⁶ = 13212321102037 is a prime.

It is a super-2 number, since 2×13212321102101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212321102103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109351181 + ... + 109471938.

It is an arithmetic number, because the mean of its divisors is an integer number (1212644790000).

Almost surely, 2^{13212321102101} is an apocalyptic number.

13212321102101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13212321102101 is a deficient number, since it is larger than the sum of its proper divisors (1339416377899).

13212321102101 is a wasteful number, since it uses less digits than its factorization.

13212321102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218823640 (or 218823629 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 13212321102101 its reverse (10120112321231), we get a palindrome (23332433423332).

The spelling of 13212321102101 in words is "thirteen trillion, two hundred twelve billion, three hundred twenty-one million, one hundred two thousand, one hundred one".