220222221012021 has 16 divisors (see below), whose sum is σ = 319054264739840. Its totient is φ = 134601017934960.

The previous prime is 220222221012011. The next prime is 220222221012041. The reversal of 220222221012021 is 120210122222022.

It is not a de Polignac number, because 220222221012021 - 2²¹ = 220222218914869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220222221012011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62315284315 + ... + 62315287848.

It is an arithmetic number, because the mean of its divisors is an integer number (19940891546240).

Almost surely, 2^{220222221012021} is an apocalyptic number.

It is an amenable number.

220222221012021 is a deficient number, since it is larger than the sum of its proper divisors (98832043727819).

220222221012021 is a wasteful number, since it uses less digits than its factorization.

220222221012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124630572216.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 220222221012021 its reverse (120210122222022), we get a palindrome (340432343234043).

The spelling of 220222221012021 in words is "two hundred twenty trillion, two hundred twenty-two billion, two hundred twenty-one million, twelve thousand, twenty-one".