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1111110222020 = 225131424087871
BaseRepresentation
bin10000001010110011010…
…101001000000011000100
310221012222011220112011012
4100022303111020003010
5121201023204101040
62210234220101352
7143163230025251
oct20126325100304
93835864815135
101111110222020
11399245832267
1215b410694858
1380a147b5046
143bac6c6a428
151dd81063865
hex102b35480c4

1111110222020 has 24 divisors (see below), whose sum is σ = 2351143162368. Its totient is φ = 441051384800.

The previous prime is 1111110221959. The next prime is 1111110222071. The reversal of 1111110222020 is 202220111111.

It is a junction number, because it is equal to n+sod(n) for n = 1111110221986 and 1111110222004.

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, 212041316 + ... + 212046555.

It is an arithmetic number, because the mean of its divisors is an integer number (97964298432).

Almost surely, 21111110222020 is an apocalyptic number.

1111110222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111110222020 is an abundant number, since it is smaller than the sum of its proper divisors (1240032940348).

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

1111110222020 is a wasteful number, since it uses less digits than its factorization.

1111110222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424088011 (or 424088009 counting only the distinct ones).

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

Adding to 1111110222020 its reverse (202220111111), we get a palindrome (1313330333131).

The spelling of 1111110222020 in words is "one trillion, one hundred eleven billion, one hundred ten million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 131 262 524 655 1310 2620 424087871 848175742 1696351484 2120439355 4240878710 8481757420 55555511101 111111022202 222222044404 277777555505 555555111010 1111110222020