200121222022001 has 8 divisors (see below), whose sum is σ = 228721860954624. Its totient is φ = 171523556321760.

The previous prime is 200121222021991. The next prime is 200121222022009. The reversal of 200121222022001 is 100220222121002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 200121222022001 - 2⁴² = 195723175510897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200121222022009) 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, 743163860 + ... + 743433093.

It is an arithmetic number, because the mean of its divisors is an integer number (28590232619328).

Almost surely, 2^{200121222022001} is an apocalyptic number.

It is an amenable number.

200121222022001 is a deficient number, since it is larger than the sum of its proper divisors (28600638932623).

200121222022001 is a wasteful number, since it uses less digits than its factorization.

200121222022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486616191.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 200121222022001 its reverse (100220222121002), we get a palindrome (300341444143003).

Subtracting from 200121222022001 its reverse (100220222121002), we obtain a palindrome (99900999900999).

The spelling of 200121222022001 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty-two million, twenty-two thousand, one".