200121111022311 has 12 divisors (see below), whose sum is σ = 289114638114640. Its totient is φ = 133390622746080.

The previous prime is 200121111022309. The next prime is 200121111022321. The reversal of 200121111022311 is 113220111121002.

It is a happy number.

200121111022311 is a `hidden beast` number, since 200 + 1 + 21 + 1 + 110 + 22 + 311 = 666.

It is not a de Polignac number, because 200121111022311 - 2¹ = 200121111022309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121111022321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1954218355 + ... + 1954320756.

Almost surely, 2^{200121111022311} is an apocalyptic number.

200121111022311 is a deficient number, since it is larger than the sum of its proper divisors (88993527092329).

200121111022311 is a wasteful number, since it uses less digits than its factorization.

200121111022311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908544806 (or 3908544803 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 200121111022311 its reverse (113220111121002), we get a palindrome (313341222143313).

The spelling of 200121111022311 in words is "two hundred trillion, one hundred twenty-one billion, one hundred eleven million, twenty-two thousand, three hundred eleven".