220200211011021 has 4 divisors (see below), whose sum is σ = 293600281348032. Its totient is φ = 146800140674012.

The previous prime is 220200211010981. The next prime is 220200211011037. The reversal of 220200211011021 is 120110112002022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220200211011021 - 2¹³ = 220200211002829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220200211016021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36700035168501 + ... + 36700035168506.

It is an arithmetic number, because the mean of its divisors is an integer number (73400070337008).

Almost surely, 2^{220200211011021} is an apocalyptic number.

It is an amenable number.

220200211011021 is a deficient number, since it is larger than the sum of its proper divisors (73400070337011).

220200211011021 is an equidigital number, since it uses as much as digits as its factorization.

220200211011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73400070337010.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220200211011021 its reverse (120110112002022), we get a palindrome (340310323013043).

The spelling of 220200211011021 in words is "two hundred twenty trillion, two hundred billion, two hundred eleven million, eleven thousand, twenty-one".