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11212202110220 = 225560610105511
BaseRepresentation
bin1010001100101000101101…
…0100101110110100001100
31110200212122122100210020222
42203022023110232310030
52432200042220011340
635502451535130512
72235024551310566
oct243121324566414
943625578323228
1011212202110220
113633082876121
121310bbb973a38
136343c9720697
142aa960046336
151469c5ec38b5
hexa328b52ed0c

11212202110220 has 12 divisors (see below), whose sum is σ = 23545624431504. Its totient is φ = 4484880844080.

The previous prime is 11212202110211. The next prime is 11212202110223. The reversal of 11212202110220 is 2201120221211.

It is not an unprimeable number, because it can be changed into a prime (11212202110223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280305052736 + ... + 280305052775.

It is an arithmetic number, because the mean of its divisors is an integer number (1962135369292).

Almost surely, 211212202110220 is an apocalyptic number.

11212202110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212202110220 is an abundant number, since it is smaller than the sum of its proper divisors (12333422321284).

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

11212202110220 is a wasteful number, since it uses less digits than its factorization.

11212202110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560610105520 (or 560610105518 counting only the distinct ones).

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

Adding to 11212202110220 its reverse (2201120221211), we get a palindrome (13413322331431).

The spelling of 11212202110220 in words is "eleven trillion, two hundred twelve billion, two hundred two million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 560610105511 1121220211022 2242440422044 2803050527555 5606101055110 11212202110220