200211122221001 has 4 divisors (see below), whose sum is σ = 200475601907652. Its totient is φ = 199946642534352.

The previous prime is 200211122220961. The next prime is 200211122221031. The reversal of 200211122221001 is 100122221112002.

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 116276647417225 + 83934474803776 = 10783165^2 + 9161576^2 .

It is a cyclic number.

It is not a de Polignac number, because 200211122221001 - 2³⁸ = 199936244314057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200211122221031) 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, 132239842190 + ... + 132239843703.

It is an arithmetic number, because the mean of its divisors is an integer number (50118900476913).

Almost surely, 2^{200211122221001} is an apocalyptic number.

It is an amenable number.

200211122221001 is a deficient number, since it is larger than the sum of its proper divisors (264479686651).

200211122221001 is an equidigital number, since it uses as much as digits as its factorization.

200211122221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264479686650.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200211122221001 its reverse (100122221112002), we get a palindrome (300333343333003).

The spelling of 200211122221001 in words is "two hundred trillion, two hundred eleven billion, one hundred twenty-two million, two hundred twenty-one thousand, one".