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11100110220220 = 225719311093473559
BaseRepresentation
bin1010000110000111001000…
…1000000110101110111100
31110022011022202200210021111
42201201302020012232330
52423331011204021340
635335153101011404
72223646036051510
oct241416210065674
943264282623244
1011100110220220
11359a5919270aa
1212b3338553b64
13626974a15158
142a53690c8140
15143b15416aea
hexa1872206bbc

11100110220220 has 384 divisors, whose sum is σ = 29304963072000. Its totient is φ = 3446202516480.

The previous prime is 11100110220211. The next prime is 11100110220301. The reversal of 11100110220220 is 2202201100111.

It is a self number, because there is not a number n which added to its sum of digits gives 11100110220220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3118882801 + ... + 3118886359.

It is an arithmetic number, because the mean of its divisors is an integer number (76315008000).

Almost surely, 211100110220220 is an apocalyptic number.

11100110220220 is a gapful number since it is divisible by the number (10) 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 11100110220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14652481536000).

11100110220220 is an abundant number, since it is smaller than the sum of its proper divisors (18204852851780).

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

11100110220220 is a wasteful number, since it uses less digits than its factorization.

11100110220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081 (or 4079 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11100110220220 its reverse (2202201100111), we get a palindrome (13302311320331).

The spelling of 11100110220220 in words is "eleven trillion, one hundred billion, one hundred ten million, two hundred twenty thousand, two hundred twenty".