220221211110 has 16 divisors (see below), whose sum is σ = 528530906736. Its totient is φ = 58725656288.

The previous prime is 220221211103. The next prime is 220221211117. The reversal of 220221211110 is 11112122022.

It is an interprime number because it is at equal distance from previous prime (220221211103) and next prime (220221211117).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220221211110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220221211117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3670353489 + ... + 3670353548.

It is an arithmetic number, because the mean of its divisors is an integer number (33033181671).

Almost surely, 2^220221211110 is an apocalyptic number.

220221211110 is an abundant number, since it is smaller than the sum of its proper divisors (308309695626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220221211110 is a wasteful number, since it uses less digits than its factorization.

220221211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340707047.

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

Adding to 220221211110 its reverse (11112122022), we get a palindrome (231333333132).

The spelling of 220221211110 in words is "two hundred twenty billion, two hundred twenty-one million, two hundred eleven thousand, one hundred ten".