12210120101 has 4 divisors (see below), whose sum is σ = 12740994912. Its totient is φ = 11679245292.

The previous prime is 12210120079. The next prime is 12210120107. The reversal of 12210120101 is 10102101221.

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 12210120101 - 2⁶ = 12210120037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210120107) 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, 265437371 + ... + 265437416.

It is an arithmetic number, because the mean of its divisors is an integer number (3185248728).

Almost surely, 2^12210120101 is an apocalyptic number.

It is an amenable number.

12210120101 is a deficient number, since it is larger than the sum of its proper divisors (530874811).

12210120101 is an equidigital number, since it uses as much as digits as its factorization.

12210120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530874810.

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

Adding to 12210120101 its reverse (10102101221), we get a palindrome (22312221322).

The spelling of 12210120101 in words is "twelve billion, two hundred ten million, one hundred twenty thousand, one hundred one".