12210111010201 has 4 divisors (see below), whose sum is σ = 13149350318692. Its totient is φ = 11270871701712.

The previous prime is 12210111010099. The next prime is 12210111010211. The reversal of 12210111010201 is 10201011101221.

It is a happy number.

12210111010201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1153155970201 + 11056955040000 = 1073851^2 + 3325200^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210111010201 - 2¹³ = 12210111002009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 939239308477 = 12210111010201 / (1 + 2 + 2 + 1 + 0 + 1 + 1 + 1 + 0 + 1 + 0 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210111010211) 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, 469619654226 + ... + 469619654251.

It is an arithmetic number, because the mean of its divisors is an integer number (3287337579673).

Almost surely, 2^{12210111010201} is an apocalyptic number.

It is an amenable number.

12210111010201 is a deficient number, since it is larger than the sum of its proper divisors (939239308491).

12210111010201 is an equidigital number, since it uses as much as digits as its factorization.

12210111010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939239308490.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12210111010201 its reverse (10201011101221), we get a palindrome (22411122111422).

The spelling of 12210111010201 in words is "twelve trillion, two hundred ten billion, one hundred eleven million, ten thousand, two hundred one".