220210212021 has 16 divisors (see below), whose sum is σ = 316605186240. Its totient is φ = 135687934080.

The previous prime is 220210211999. The next prime is 220210212049. The reversal of 220210212021 is 120212012022.

220210212021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220210212021 - 2¹⁷ = 220210080949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220210212071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47111530 + ... + 47116203.

It is an arithmetic number, because the mean of its divisors is an integer number (19787824140).

Almost surely, 2^220210212021 is an apocalyptic number.

It is an amenable number.

220210212021 is a deficient number, since it is larger than the sum of its proper divisors (96394974219).

220210212021 is a wasteful number, since it uses less digits than its factorization.

220210212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94227796.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220210212021 its reverse (120212012022), we get a palindrome (340422224043).

The spelling of 220210212021 in words is "two hundred twenty billion, two hundred ten million, two hundred twelve thousand, twenty-one".