200220111122001 has 4 divisors (see below), whose sum is σ = 266960148162672. Its totient is φ = 133480074081332.

The previous prime is 200220111121991. The next prime is 200220111122023. The reversal of 200220111122001 is 100221111022002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200220111122001 - 2⁷ = 200220111121873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200220111122071) 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, 33370018520331 + ... + 33370018520336.

It is an arithmetic number, because the mean of its divisors is an integer number (66740037040668).

Almost surely, 2^{200220111122001} is an apocalyptic number.

It is an amenable number.

200220111122001 is a deficient number, since it is larger than the sum of its proper divisors (66740037040671).

200220111122001 is an equidigital number, since it uses as much as digits as its factorization.

200220111122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66740037040670.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200220111122001 its reverse (100221111022002), we get a palindrome (300441222144003).

Subtracting from 200220111122001 its reverse (100221111022002), we obtain a palindrome (99999000099999).

The spelling of 200220111122001 in words is "two hundred trillion, two hundred twenty billion, one hundred eleven million, one hundred twenty-two thousand, one".