200022021121121 has 8 divisors (see below), whose sum is σ = 200522393023488. Its totient is φ = 199521657000000.

The previous prime is 200022021121063. The next prime is 200022021121129. The reversal of 200022021121121 is 121121120220002.

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-200022021121121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200022021121121.

It is not an unprimeable number, because it can be changed into a prime (200022021121129) 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, 51354416 + ... + 55111886.

It is an arithmetic number, because the mean of its divisors is an integer number (25065299127936).

Almost surely, 2^{200022021121121} is an apocalyptic number.

It is an amenable number.

200022021121121 is a deficient number, since it is larger than the sum of its proper divisors (500371902367).

200022021121121 is a wasteful number, since it uses less digits than its factorization.

200022021121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890623.

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

Adding to 200022021121121 its reverse (121121120220002), we get a palindrome (321143141341123).

The spelling of 200022021121121 in words is "two hundred trillion, twenty-two billion, twenty-one million, one hundred twenty-one thousand, one hundred twenty-one".