220010012021 has 8 divisors (see below), whose sum is σ = 232955974080. Its totient is φ = 207064516288.

The previous prime is 220010012011. The next prime is 220010012039. The reversal of 220010012021 is 120210010022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-220010012021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220010011993 and 220010012011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220010012011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1478150 + ... + 1620168.

It is an arithmetic number, because the mean of its divisors is an integer number (29119496760).

Almost surely, 2^220010012021 is an apocalyptic number.

It is an amenable number.

220010012021 is a deficient number, since it is larger than the sum of its proper divisors (12945962059).

220010012021 is a wasteful number, since it uses less digits than its factorization.

220010012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233163.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220010012021 its reverse (120210010022), we get a palindrome (340220022043).

The spelling of 220010012021 in words is "two hundred twenty billion, ten million, twelve thousand, twenty-one".