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1102111012009 = 7157444430287
BaseRepresentation
bin10000000010011010111…
…011110111010010101001
310220100202000022021210201
4100002122323313102221
5121024110404341014
62202145223512201
7142424224014340
oct20023273672251
93810660267721
101102111012009
11395447a30617
1215971a8b8661
137cc0c2504c7
143b4b19bcb57
151da05e90e74
hex1009aef74a9

1102111012009 has 4 divisors (see below), whose sum is σ = 1259555442304. Its totient is φ = 944666581716.

The previous prime is 1102111011997. The next prime is 1102111012021. The reversal of 1102111012009 is 9002101112011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1102111011997) and next prime (1102111012021).

It is a cyclic number.

It is not a de Polignac number, because 1102111012009 - 25 = 1102111011977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102111012049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78722215137 + ... + 78722215150.

It is an arithmetic number, because the mean of its divisors is an integer number (314888860576).

Almost surely, 21102111012009 is an apocalyptic number.

It is an amenable number.

1102111012009 is a deficient number, since it is larger than the sum of its proper divisors (157444430295).

1102111012009 is an equidigital number, since it uses as much as digits as its factorization.

1102111012009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157444430294.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 1102111012009 in words is "one trillion, one hundred two billion, one hundred eleven million, twelve thousand, nine".

Divisors: 1 7 157444430287 1102111012009