200211210001001 has 4 divisors (see below), whose sum is σ = 200462416036932. Its totient is φ = 199960003965072.

The previous prime is 200211210000979. The next prime is 200211210001021. The reversal of 200211210001001 is 100100012112002.

200211210001001 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 71749387191001 + 128461822810000 = 8470501^2 + 11334100^2 .

It is a cyclic number.

It is not a de Polignac number, because 200211210001001 - 2³⁴ = 200194030131817 is a prime.

It is a super-2 number, since 2×200211210001001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200211210001021) 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, 125603016770 + ... + 125603018363.

It is an arithmetic number, because the mean of its divisors is an integer number (50115604009233).

Almost surely, 2^{200211210001001} is an apocalyptic number.

It is an amenable number.

200211210001001 is a deficient number, since it is larger than the sum of its proper divisors (251206035931).

200211210001001 is an equidigital number, since it uses as much as digits as its factorization.

200211210001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251206035930.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200211210001001 its reverse (100100012112002), we get a palindrome (300311222113003).

The spelling of 200211210001001 in words is "two hundred trillion, two hundred eleven billion, two hundred ten million, one thousand, one".