200212020111221 has 16 divisors (see below), whose sum is σ = 201583839360960. Its totient is φ = 198844544469120.

The previous prime is 200212020111199. The next prime is 200212020111223. The reversal of 200212020111221 is 122111020212002.

It is a cyclic number.

It is not a de Polignac number, because 200212020111221 - 2³⁸ = 199937142204277 is a prime.

It is a super-2 number, since 2×200212020111221² (a number of 29 digits) contains 22 as substring.

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 200212020111221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200212020111223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2657514665 + ... + 2657590001.

It is an arithmetic number, because the mean of its divisors is an integer number (12598989960060).

Almost surely, 2^{200212020111221} is an apocalyptic number.

It is an amenable number.

200212020111221 is a deficient number, since it is larger than the sum of its proper divisors (1371819249739).

200212020111221 is a wasteful number, since it uses less digits than its factorization.

200212020111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103924.

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

Adding to 200212020111221 its reverse (122111020212002), we get a palindrome (322323040323223).

The spelling of 200212020111221 in words is "two hundred trillion, two hundred twelve billion, twenty million, one hundred eleven thousand, two hundred twenty-one".