220221012011000 has 512 divisors, whose sum is σ = 692591494533120. Its totient is φ = 63296453376000.

The previous prime is 220221012010939. The next prime is 220221012011081. The reversal of 220221012011000 is 110210122022.

It is a super-2 number, since 2×220221012011000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 997886669 + ... + 998107331.

It is an arithmetic number, because the mean of its divisors is an integer number (1352717762760).

Almost surely, 2^{220221012011000} is an apocalyptic number.

220221012011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220221012011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346295747266560).

220221012011000 is an abundant number, since it is smaller than the sum of its proper divisors (472370482522120).

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

220221012011000 is a wasteful number, since it uses less digits than its factorization.

220221012011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221712 (or 221698 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220221012011000 its reverse (110210122022), we get a palindrome (220331222133022).

The spelling of 220221012011000 in words is "two hundred twenty trillion, two hundred twenty-one billion, twelve million, eleven thousand".