200220021211121 has 8 divisors (see below), whose sum is σ = 209031131736000. Its totient is φ = 191417735037232.

The previous prime is 200220021211099. The next prime is 200220021211139. The reversal of 200220021211121 is 121112120022002.

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-200220021211121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200220021211121.

It is not an unprimeable number, because it can be changed into a prime (200220021261121) 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, 2206041371 + ... + 2206132128.

It is an arithmetic number, because the mean of its divisors is an integer number (26128891467000).

Almost surely, 2^{200220021211121} is an apocalyptic number.

It is an amenable number.

200220021211121 is a deficient number, since it is larger than the sum of its proper divisors (8811110524879).

200220021211121 is a wasteful number, since it uses less digits than its factorization.

200220021211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4412175495.

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

Adding to 200220021211121 its reverse (121112120022002), we get a palindrome (321332141233123).

The spelling of 200220021211121 in words is "two hundred trillion, two hundred twenty billion, twenty-one million, two hundred eleven thousand, one hundred twenty-one".