12201102101 has 4 divisors (see below), whose sum is σ = 12201373452. Its totient is φ = 12200830752.

The previous prime is 12201102097. The next prime is 12201102103. The reversal of 12201102101 is 10120110221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7297601476 + 4903500625 = 85426^2 + 70025^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201102101 - 2² = 12201102097 is a prime.

It is a super-2 number, since 2×12201102101² (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 (12201102103) 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, 50336 + ... + 164121.

It is an arithmetic number, because the mean of its divisors is an integer number (3050343363).

Almost surely, 2^12201102101 is an apocalyptic number.

It is an amenable number.

12201102101 is a deficient number, since it is larger than the sum of its proper divisors (271351).

12201102101 is an equidigital number, since it uses as much as digits as its factorization.

12201102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271350.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12201102101 its reverse (10120110221), we get a palindrome (22321212322).

The spelling of 12201102101 in words is "twelve billion, two hundred one million, one hundred two thousand, one hundred one".