12220002101 has 8 divisors (see below), whose sum is σ = 12941832024. Its totient is φ = 11498506240.

The previous prime is 12220002031. The next prime is 12220002149. The reversal of 12220002101 is 10120002221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3448743076 + 8771259025 = 58726^2 + 93655^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12220002101 - 2¹⁰ = 12220001077 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 (12220002181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6140 + ... + 156453.

It is an arithmetic number, because the mean of its divisors is an integer number (1617729003).

Almost surely, 2^12220002101 is an apocalyptic number.

It is an amenable number.

12220002101 is a deficient number, since it is larger than the sum of its proper divisors (721829923).

12220002101 is a wasteful number, since it uses less digits than its factorization.

12220002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167031.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12220002101 its reverse (10120002221), we get a palindrome (22340004322).

The spelling of 12220002101 in words is "twelve billion, two hundred twenty million, two thousand, one hundred one".