220111121020220 has 24 divisors (see below), whose sum is σ = 472982967031344. Its totient is φ = 85996903095936.

The previous prime is 220111121020171. The next prime is 220111121020229. The reversal of 220111121020220 is 22020121111022.

220111121020220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111121020229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127971581129 + ... + 127971582848.

It is an arithmetic number, because the mean of its divisors is an integer number (19707623626306).

Almost surely, 2^{220111121020220} is an apocalyptic number.

220111121020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220111121020220 is an abundant number, since it is smaller than the sum of its proper divisors (252871846011124).

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

220111121020220 is a wasteful number, since it uses less digits than its factorization.

220111121020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255943164029 (or 255943164027 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220111121020220 its reverse (22020121111022), we get a palindrome (242131242131242).

The spelling of 220111121020220 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred twenty-one million, twenty thousand, two hundred twenty".