200121222021011 has 8 divisors (see below), whose sum is σ = 200252676664320. Its totient is φ = 199989772157448.

The previous prime is 200121222020981. The next prime is 200121222021037. The reversal of 200121222021011 is 110120222121002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200121222021011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200121222021811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84590420 + ... + 86923998.

It is an arithmetic number, because the mean of its divisors is an integer number (25031584583040).

Almost surely, 2^{200121222021011} is an apocalyptic number.

200121222021011 is a deficient number, since it is larger than the sum of its proper divisors (131454643309).

200121222021011 is a wasteful number, since it uses less digits than its factorization.

200121222021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389873.

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

Adding to 200121222021011 its reverse (110120222121002), we get a palindrome (310241444142013).

Subtracting from 200121222021011 its reverse (110120222121002), we obtain a palindrome (90000999900009).

The spelling of 200121222021011 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, eleven".