13212102101 has 16 divisors (see below), whose sum is σ = 14496005760. Its totient is φ = 11942147520.

The previous prime is 13212102097. The next prime is 13212102149. The reversal of 13212102101 is 10120121231.

It is a cyclic number.

It is not a de Polignac number, because 13212102101 - 2² = 13212102097 is a prime.

It is a super-2 number, since 2×13212102101² (a number of 21 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 (13212102151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2069951 + ... + 2076323.

It is an arithmetic number, because the mean of its divisors is an integer number (906000360).

Almost surely, 2^13212102101 is an apocalyptic number.

13212102101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13212102101 is a deficient number, since it is larger than the sum of its proper divisors (1283903659).

13212102101 is a wasteful number, since it uses less digits than its factorization.

13212102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7436.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13212102101 its reverse (10120121231), we get a palindrome (23332223332).

The spelling of 13212102101 in words is "thirteen billion, two hundred twelve million, one hundred two thousand, one hundred one".