12102101101 has 4 divisors (see below), whose sum is σ = 12247909632. Its totient is φ = 11956292572.

The previous prime is 12102101069. The next prime is 12102101119. The reversal of 12102101101 is 10110120121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12102101101 - 2⁵ = 12102101069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102101131) 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, 72904141 + ... + 72904306.

It is an arithmetic number, because the mean of its divisors is an integer number (3061977408).

Almost surely, 2^12102101101 is an apocalyptic number.

It is an amenable number.

12102101101 is a deficient number, since it is larger than the sum of its proper divisors (145808531).

12102101101 is an equidigital number, since it uses as much as digits as its factorization.

12102101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145808530.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12102101101 its reverse (10110120121), we get a palindrome (22212221222).

The spelling of 12102101101 in words is "twelve billion, one hundred two million, one hundred one thousand, one hundred one".