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1101212101100 = 225211012121011
BaseRepresentation
bin10000000001100101010…
…110110010100111101100
310220021102100211212212002
4100001211112302213230
5121020240244213400
62201520113031432
7142363030262666
oct20014526624754
93807370755762
101101212101100
11395026582541
12159509855578
137cac7c48767
143b428467536
151d9a20cbed5
hex100655b29ec

1101212101100 has 18 divisors (see below), whose sum is σ = 2389630259604. Its totient is φ = 440484840400.

The previous prime is 1101212101091. The next prime is 1101212101109. The reversal of 1101212101100 is 11012121011.

It is an interprime number because it is at equal distance from previous prime (1101212101091) and next prime (1101212101109).

It is not an unprimeable number, because it can be changed into a prime (1101212101109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5506060406 + ... + 5506060605.

Almost surely, 21101212101100 is an apocalyptic number.

1101212101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101212101100 is an abundant number, since it is smaller than the sum of its proper divisors (1288418158504).

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

1101212101100 is a wasteful number, since it uses less digits than its factorization.

1101212101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11012121025 (or 11012121018 counting only the distinct ones).

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

Adding to 1101212101100 its reverse (11012121011), we get a palindrome (1112224222111).

1101212101100 divided by its reverse (11012121011) gives a square (100 = 102).

The spelling of 1101212101100 in words is "one trillion, one hundred one billion, two hundred twelve million, one hundred one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 11012121011 22024242022 44048484044 55060605055 110121210110 220242420220 275303025275 550606050550 1101212101100