200212011021 has 64 divisors (see below), whose sum is σ = 316950278400. Its totient is φ = 111209011200.

The previous prime is 200212011011. The next prime is 200212011029. The reversal of 200212011021 is 120110212002.

It is not a de Polignac number, because 200212011021 - 2³¹ = 198064527373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200212010988 and 200212011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200212011029) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1382815 + ... + 1520723.

It is an arithmetic number, because the mean of its divisors is an integer number (4952348100).

Almost surely, 2^200212011021 is an apocalyptic number.

It is an amenable number.

200212011021 is a deficient number, since it is larger than the sum of its proper divisors (116738267379).

200212011021 is a wasteful number, since it uses less digits than its factorization.

200212011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138030.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200212011021 its reverse (120110212002), we get a palindrome (320322223023).

It can be divided in two parts, 2002 and 12011021, that multiplied together give a palindrome (24046064042).

The spelling of 200212011021 in words is "two hundred billion, two hundred twelve million, eleven thousand, twenty-one".