200120202211021 has 8 divisors (see below), whose sum is σ = 200607618042720. Its totient is φ = 199632833056272.

The previous prime is 200120202211001. The next prime is 200120202211031. The reversal of 200120202211021 is 120112202021002.

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 200120202211021 - 2²⁵ = 200120168656589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200120202210986 and 200120202211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120202211001) 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, 3076410 + ... + 20241163.

It is an arithmetic number, because the mean of its divisors is an integer number (25075952255340).

Almost surely, 2^{200120202211021} is an apocalyptic number.

It is an amenable number.

200120202211021 is a deficient number, since it is larger than the sum of its proper divisors (487415831699).

200120202211021 is a wasteful number, since it uses less digits than its factorization.

200120202211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23338475.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200120202211021 its reverse (120112202021002), we get a palindrome (320232404232023).

The spelling of 200120202211021 in words is "two hundred trillion, one hundred twenty billion, two hundred two million, two hundred eleven thousand, twenty-one".