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11222110020 = 22351117003197
BaseRepresentation
bin10100111001110001…
…11100111101000100
31001222002101020220110
422130320330331010
5140440330010040
65053320433020
7545044234632
oct123470747504
931862336813
1011222110020
1148396523a0
122212318770
13109ac535b4
147865aa352
1545a314980
hex29ce3cf44

11222110020 has 48 divisors (see below), whose sum is σ = 34278447168. Its totient is φ = 2720511360.

The previous prime is 11222110013. The next prime is 11222110061. The reversal of 11222110020 is 2001122211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11222109978 and 11222110005.

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, 8500939 + ... + 8502258.

It is an arithmetic number, because the mean of its divisors is an integer number (714134316).

Almost surely, 211222110020 is an apocalyptic number.

11222110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222110020 is an abundant number, since it is smaller than the sum of its proper divisors (23056337148).

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

11222110020 is a wasteful number, since it uses less digits than its factorization.

11222110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17003220 (or 17003218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11222110020 its reverse (2001122211), we get a palindrome (13223232231).

The spelling of 11222110020 in words is "eleven billion, two hundred twenty-two million, one hundred ten thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 17003197 34006394 51009591 68012788 85015985 102019182 170031970 187035167 204038364 255047955 340063940 374070334 510095910 561105501 748140668 935175835 1020191820 1122211002 1870351670 2244422004 2805527505 3740703340 5611055010 11222110020