12200122220101 has 4 divisors (see below), whose sum is σ = 12201369558604. Its totient is φ = 12198874881600.

The previous prime is 12200122220089. The next prime is 12200122220107. The reversal of 12200122220101 is 10102222100221.

It is a happy number.

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 3188988779076 + 9011133441025 = 1785774^2 + 3001855^2 .

It is a cyclic number.

It is not a de Polignac number, because 12200122220101 - 2³⁹ = 11650366406213 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 (12200122220107) 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, 623654580 + ... + 623674141.

It is an arithmetic number, because the mean of its divisors is an integer number (3050342389651).

Almost surely, 2^{12200122220101} is an apocalyptic number.

It is an amenable number.

12200122220101 is a deficient number, since it is larger than the sum of its proper divisors (1247338503).

12200122220101 is an equidigital number, since it uses as much as digits as its factorization.

12200122220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247338502.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12200122220101 its reverse (10102222100221), we get a palindrome (22302344320322).

The spelling of 12200122220101 in words is "twelve trillion, two hundred billion, one hundred twenty-two million, two hundred twenty thousand, one hundred one".