12022002101 has 6 divisors (see below), whose sum is σ = 12139864470. Its totient is φ = 11905273128.

The previous prime is 12022002079. The next prime is 12022002103. The reversal of 12022002101 is 10120022021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11808082225 + 213919876 = 108665^2 + 14626^2 .

It is not a de Polignac number, because 12022002101 - 2¹⁸ = 12021739957 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 (12022002103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555986 + ... + 577203.

It is an arithmetic number, because the mean of its divisors is an integer number (2023310745).

Almost surely, 2^12022002101 is an apocalyptic number.

It is an amenable number.

12022002101 is a deficient number, since it is larger than the sum of its proper divisors (117862369).

12022002101 is an equidigital number, since it uses as much as digits as its factorization.

12022002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133395 (or 1133292 counting only the distinct ones).

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

Adding to 12022002101 its reverse (10120022021), we get a palindrome (22142024122).

The spelling of 12022002101 in words is "twelve billion, twenty-two million, two thousand, one hundred one".