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11112010212220 = 225622157893023
BaseRepresentation
bin1010000110110011011101…
…1010111110001101111100
31110100022001002122000102221
42201230313122332031330
52424024344103242340
635344441555055124
72224546654240651
oct241546732761574
943308032560387
1011112010212220
1135a4639091235
1212b56b98a14a4
13627b20232638
142a5b77711c28
151440aeed044a
hexa1b376be37c

11112010212220 has 24 divisors (see below), whose sum is σ = 23335285083264. Its totient is φ = 4444791963456.

The previous prime is 11112010212187. The next prime is 11112010212227. The reversal of 11112010212220 is 2221201021111.

It is a junction number, because it is equal to n+sod(n) for n = 11112010212194 and 11112010212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112010212227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11996629 + ... + 12889651.

It is an arithmetic number, because the mean of its divisors is an integer number (972303545136).

Almost surely, 211112010212220 is an apocalyptic number.

11112010212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112010212220 is an abundant number, since it is smaller than the sum of its proper divisors (12223274871044).

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

11112010212220 is a wasteful number, since it uses less digits than its factorization.

11112010212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515189 (or 1515187 counting only the distinct ones).

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

Adding to 11112010212220 its reverse (2221201021111), we get a palindrome (13333211233331).

The spelling of 11112010212220 in words is "eleven trillion, one hundred twelve billion, ten million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 622157 893023 1244314 1786046 2488628 3110785 3572092 4465115 6221570 8930230 12443140 17860460 555600510611 1111201021222 2222402042444 2778002553055 5556005106110 11112010212220