220212331303021 has 8 divisors (see below), whose sum is σ = 237193208748320. Its totient is φ = 203770529332272.

The previous prime is 220212331302839. The next prime is 220212331303033. The reversal of 220212331303021 is 120303133212022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220212331303021 is a prime.

It is a super-2 number, since 2×220212331303021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212331301021) 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 7 ways as a sum of consecutive naturals, for example, 134768867790 + ... + 134768869423.

It is an arithmetic number, because the mean of its divisors is an integer number (29649151093540).

Almost surely, 2^{220212331303021} is an apocalyptic number.

It is an amenable number.

220212331303021 is a deficient number, since it is larger than the sum of its proper divisors (16980877445299).

220212331303021 is a wasteful number, since it uses less digits than its factorization.

220212331303021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269537737275.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 220212331303021 its reverse (120303133212022), we get a palindrome (340515464515043).

The spelling of 220212331303021 in words is "two hundred twenty trillion, two hundred twelve billion, three hundred thirty-one million, three hundred three thousand, twenty-one".