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11210211012220 = 2251161835336141
BaseRepresentation
bin1010001100100001010010…
…1001010010111001111100
31110200200111212202112021121
42203020110221102321330
52432132003004342340
635501522211040324
72234624323253263
oct243102451227174
943620455675247
1011210211012220
113632250959790
121310744ba00a4
1363417007219c
142aa8118275da
1514690b2bd94a
hexa3214a52e7c

11210211012220 has 48 divisors (see below), whose sum is σ = 26102583765216. Its totient is φ = 4009613472000.

The previous prime is 11210211012199. The next prime is 11210211012361. The reversal of 11210211012220 is 2221011201211.

It is a junction number, because it is equal to n+sod(n) for n = 11210211012194 and 11210211012203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417654651 + ... + 417681490.

It is an arithmetic number, because the mean of its divisors is an integer number (543803828442).

Almost surely, 211210211012220 is an apocalyptic number.

11210211012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210211012220 is an abundant number, since it is smaller than the sum of its proper divisors (14892372752996).

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

11210211012220 is a wasteful number, since it uses less digits than its factorization.

11210211012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835336222 (or 835336220 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11210211012220 its reverse (2221011201211), we get a palindrome (13431222213431).

The spelling of 11210211012220 in words is "eleven trillion, two hundred ten billion, two hundred eleven million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 61 110 122 220 244 305 610 671 1220 1342 2684 3355 6710 13420 835336141 1670672282 3341344564 4176680705 8353361410 9188697551 16706722820 18377395102 36754790204 45943487755 50955504601 91886975510 101911009202 183773951020 203822018404 254777523005 509555046010 560510550611 1019110092020 1121021101222 2242042202444 2802552753055 5605105506110 11210211012220