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11012102101220 = 2251150055009551
BaseRepresentation
bin1010000000111111010001…
…1011110001100011100100
31102222202011022220010012112
42200033310123301203210
52420410241114214340
635230520113340152
72214412104303263
oct240176433614344
942882138803175
1011012102101220
11356622a607760
12129a276867658
1361b58a7868ac
142a0dba9705da
151416b3d97065
hexa03f46f18e4

11012102101220 has 24 divisors (see below), whose sum is σ = 25227724814208. Its totient is φ = 4004400764000.

The previous prime is 11012102101177. The next prime is 11012102101291. The reversal of 11012102101220 is 2210120121011.

It is a junction number, because it is equal to n+sod(n) for n = 11012102101195 and 11012102101204.

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, 25027504556 + ... + 25027504995.

It is an arithmetic number, because the mean of its divisors is an integer number (1051155200592).

Almost surely, 211012102101220 is an apocalyptic number.

11012102101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012102101220 is an abundant number, since it is smaller than the sum of its proper divisors (14215622712988).

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

11012102101220 is a wasteful number, since it uses less digits than its factorization.

11012102101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50055009571 (or 50055009569 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11012102101220 its reverse (2210120121011), we get a palindrome (13222222222231).

The spelling of 11012102101220 in words is "eleven trillion, twelve billion, one hundred two million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 50055009551 100110019102 200220038204 250275047755 500550095510 550605105061 1001100191020 1101210210122 2202420420244 2753025525305 5506051050610 11012102101220