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BaseRepresentation
bin10000000000100011101…
…111010001000101101100
310220011120122100101101202
4100000203233101011230
5121011011433033400
62201214545225032
7142323532043213
oct20004357210554
93804518311352
101100111221100
11394611117061
12159261032178
137c980b4a388
143b36217a07a
151d93a6204d5
hex10023bd116c

1100111221100 has 54 divisors (see below), whose sum is σ = 2428389627804. Its totient is φ = 432585970400.

The previous prime is 1100111221061. The next prime is 1100111221127. The reversal of 1100111221100 is 11221110011.

Adding to 1100111221100 its reverse (11221110011), we get a palindrome (1111332331111).

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1232066 + ... + 1928265.

Almost surely, 21100111221100 is an apocalyptic number.

1100111221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100111221100 is an abundant number, since it is smaller than the sum of its proper divisors (1328278406704).

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

1100111221100 is a wasteful number, since it uses less digits than its factorization.

1100111221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160463 (or 3160397 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

The spelling of 1100111221100 in words is "one trillion, one hundred billion, one hundred eleven million, two hundred twenty-one thousand, one hundred".