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1101112312213 = 1935705245141
BaseRepresentation
bin10000000001011111011…
…010001000000110010101
310220021011102002002020101
4100001133122020012111
5121020034222442323
62201502150134101
7142360406140204
oct20013732100625
93807142062211
101101112312213
11394a85215691
121594a0351331
137cab037a094
143b4190cd23b
151d998469dad
hex1005f688195

1101112312213 has 4 divisors (see below), whose sum is σ = 1106817557548. Its totient is φ = 1095407066880.

The previous prime is 1101112312193. The next prime is 1101112312243. The reversal of 1101112312213 is 3122132111011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84901138884 + 1016211173329 = 291378^2 + 1008073^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101112312213 - 221 = 1101110215061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101112312243) 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, 2852622378 + ... + 2852622763.

It is an arithmetic number, because the mean of its divisors is an integer number (276704389387).

Almost surely, 21101112312213 is an apocalyptic number.

It is an amenable number.

1101112312213 is a deficient number, since it is larger than the sum of its proper divisors (5705245335).

1101112312213 is an equidigital number, since it uses as much as digits as its factorization.

1101112312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5705245334.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1101112312213 its reverse (3122132111011), we get a palindrome (4223244423224).

The spelling of 1101112312213 in words is "one trillion, one hundred one billion, one hundred twelve million, three hundred twelve thousand, two hundred thirteen".

Divisors: 1 193 5705245141 1101112312213