Search a number
-
+
11210021010220 = 2252579921725689
BaseRepresentation
bin1010001100100000100101…
…0100011111101100101100
31110200200000122020102112111
42203020021110133230230
52432131110334311340
635501451302413404
72234616525256504
oct243101124375454
943620018212474
1011210021010220
11363216368543a
1213106b1431264
1363413c8a8876
142aa7d44c8a04
151468e978baea
hexa320951fb2c

11210021010220 has 24 divisors (see below), whose sum is σ = 23541957684000. Its totient is φ = 4483834392192.

The previous prime is 11210021010187. The next prime is 11210021010233. The reversal of 11210021010220 is 2201012001211.

It is a self number, because there is not a number n which added to its sum of digits gives 11210021010220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10346865 + ... + 11378824.

It is an arithmetic number, because the mean of its divisors is an integer number (980914903500).

Almost surely, 211210021010220 is an apocalyptic number.

11210021010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210021010220 is an abundant number, since it is smaller than the sum of its proper divisors (12331936673780).

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

11210021010220 is a wasteful number, since it uses less digits than its factorization.

11210021010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21751497 (or 21751495 counting only the distinct ones).

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

Adding to 11210021010220 its reverse (2201012001211), we get a palindrome (13411033011431).

Subtracting from 11210021010220 its reverse (2201012001211), we obtain a palindrome (9009009009009).

The spelling of 11210021010220 in words is "eleven trillion, two hundred ten billion, twenty-one million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 25799 51598 103196 128995 257990 515980 21725689 43451378 86902756 108628445 217256890 434513780 560501050511 1121002101022 2242004202044 2802505252555 5605010505110 11210021010220