200211000211221 has 16 divisors (see below), whose sum is σ = 267104645278848. Its totient is φ = 133395683572800.

The previous prime is 200211000211133. The next prime is 200211000211241. The reversal of 200211000211221 is 122112000112002.

It is not a de Polignac number, because 200211000211221 - 2³⁴ = 200193820342037 is a prime.

It is a super-2 number, since 2×200211000211221² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200211000211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211000211241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136800351 + ... + 138256131.

It is an arithmetic number, because the mean of its divisors is an integer number (16694040329928).

Almost surely, 2^{200211000211221} is an apocalyptic number.

It is an amenable number.

200211000211221 is a deficient number, since it is larger than the sum of its proper divisors (66893645067627).

200211000211221 is a wasteful number, since it uses less digits than its factorization.

200211000211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482652.

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

Adding to 200211000211221 its reverse (122112000112002), we get a palindrome (322323000323223).

The spelling of 200211000211221 in words is "two hundred trillion, two hundred eleven billion, two hundred eleven thousand, two hundred twenty-one".