12210001101 has 16 divisors (see below), whose sum is σ = 18306832320. Its totient is φ = 8041926960.

The previous prime is 12210001057. The next prime is 12210001117. The reversal of 12210001101 is 10110001221.

It is a happy number.

It is not a de Polignac number, because 12210001101 - 2²² = 12205806797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210001121) 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, 2721990 + ... + 2726471.

It is an arithmetic number, because the mean of its divisors is an integer number (1144177020).

Almost surely, 2^12210001101 is an apocalyptic number.

It is an amenable number.

12210001101 is a deficient number, since it is larger than the sum of its proper divisors (6096831219).

12210001101 is an equidigital number, since it uses as much as digits as its factorization.

12210001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448553 (or 5448547 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12210001101 its reverse (10110001221), we get a palindrome (22320002322).

The spelling of 12210001101 in words is "twelve billion, two hundred ten million, one thousand, one hundred one".