200212110021121 has 32 divisors (see below), whose sum is σ = 221960093982336. Its totient is φ = 179081226240000.

The previous prime is 200212110021061. The next prime is 200212110021173. The reversal of 200212110021121 is 121120011212002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200212110021121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200212110021095 and 200212110021104.

It is not an unprimeable number, because it can be changed into a prime (200212110027121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119374086 + ... + 121039648.

It is an arithmetic number, because the mean of its divisors is an integer number (6936252936948).

Almost surely, 2^{200212110021121} is an apocalyptic number.

It is an amenable number.

200212110021121 is a deficient number, since it is larger than the sum of its proper divisors (21747983961215).

200212110021121 is a wasteful number, since it uses less digits than its factorization.

200212110021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666353.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 200212110021121 its reverse (121120011212002), we get a palindrome (321332121233123).

The spelling of 200212110021121 in words is "two hundred trillion, two hundred twelve billion, one hundred ten million, twenty-one thousand, one hundred twenty-one".