200211001001021 has 4 divisors (see below), whose sum is σ = 201259226137344. Its totient is φ = 199162775864700.

The previous prime is 200211001000987. The next prime is 200211001001059. The reversal of 200211001001021 is 120100100112002.

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 200211001001021 - 2²⁶ = 200210933892157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200211001000993 and 200211001001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211001003021) 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, 524112567875 + ... + 524112568256.

It is an arithmetic number, because the mean of its divisors is an integer number (50314806534336).

Almost surely, 2^{200211001001021} is an apocalyptic number.

It is an amenable number.

200211001001021 is a deficient number, since it is larger than the sum of its proper divisors (1048225136323).

200211001001021 is a wasteful number, since it uses less digits than its factorization.

200211001001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048225136322.

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

Adding to 200211001001021 its reverse (120100100112002), we get a palindrome (320311101113023).

The spelling of 200211001001021 in words is "two hundred trillion, two hundred eleven billion, one million, one thousand, twenty-one".