220200120112001 has 4 divisors (see below), whose sum is σ = 227793227702100. Its totient is φ = 212607012521904.

The previous prime is 220200120111973. The next prime is 220200120112057. The reversal of 220200120112001 is 100211021002022.

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 79135684638976 + 141064435473025 = 8895824^2 + 11877055^2 .

It is a cyclic number.

It is not a de Polignac number, because 220200120112001 - 2²⁶ = 220200053003137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220200120111001) 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, 3796553795006 + ... + 3796553795063.

It is an arithmetic number, because the mean of its divisors is an integer number (56948306925525).

Almost surely, 2^{220200120112001} is an apocalyptic number.

It is an amenable number.

220200120112001 is a deficient number, since it is larger than the sum of its proper divisors (7593107590099).

220200120112001 is an equidigital number, since it uses as much as digits as its factorization.

220200120112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7593107590098.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220200120112001 its reverse (100211021002022), we get a palindrome (320411141114023).

The spelling of 220200120112001 in words is "two hundred twenty trillion, two hundred billion, one hundred twenty million, one hundred twelve thousand, one".