220013211120021 has 24 divisors (see below), whose sum is σ = 361760853070656. Its totient is φ = 127543890503040.

The previous prime is 220013211119963. The next prime is 220013211120023. The reversal of 220013211120021 is 120021112310022.

220013211120021 is a `hidden beast` number, since 2 + 200 + 1 + 321 + 1 + 120 + 0 + 21 = 666.

It is not a de Polignac number, because 220013211120021 - 2⁶ = 220013211119957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220013211119976 and 220013211120003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220013211120023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48312077460 + ... + 48312082013.

It is an arithmetic number, because the mean of its divisors is an integer number (15073368877944).

Almost surely, 2^{220013211120021} is an apocalyptic number.

It is an amenable number.

220013211120021 is a deficient number, since it is larger than the sum of its proper divisors (141747641950635).

220013211120021 is a wasteful number, since it uses less digits than its factorization.

220013211120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96624159513 (or 96624159510 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 220013211120021 its reverse (120021112310022), we get a palindrome (340034323430043).

The spelling of 220013211120021 in words is "two hundred twenty trillion, thirteen billion, two hundred eleven million, one hundred twenty thousand, twenty-one".