2201111020220 has 96 divisors (see below), whose sum is σ = 5513757613056. Its totient is φ = 721670400000.

The previous prime is 2201111020219. The next prime is 2201111020231. The reversal of 2201111020220 is 220201111022.

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

It is a junction number, because it is equal to n+sod(n) for n = 2201111020195 and 2201111020204.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 12797795 + ... + 12968645.

It is an arithmetic number, because the mean of its divisors is an integer number (57434975136).

Almost surely, 2^{2201111020220} is an apocalyptic number.

2201111020220 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 2201111020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2756878806528).

2201111020220 is an abundant number, since it is smaller than the sum of its proper divisors (3312646592836).

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

2201111020220 is a wasteful number, since it uses less digits than its factorization.

2201111020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174891 (or 174889 counting only the distinct ones).

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

Adding to 2201111020220 its reverse (220201111022), we get a palindrome (2421312131242).

The spelling of 2201111020220 in words is "two trillion, two hundred one billion, one hundred eleven million, twenty thousand, two hundred twenty".