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11110212121110 = 235370340404037
BaseRepresentation
bin1010000110101100110000…
…1111110011001000010110
31110100010101210012112010220
42201223030033303020112
52424012203300333420
635343543323455210
72224454261563554
oct241531417631026
943303353175126
1011110212121110
1135a38a6110823
1212b5297687506
136278c48603bb
142a5a469b4bd4
15144007202840
hexa1acc3f3216

11110212121110 has 16 divisors (see below), whose sum is σ = 26664509090736. Its totient is φ = 2962723232288.

The previous prime is 11110212121097. The next prime is 11110212121111. The reversal of 11110212121110 is 1112121201111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11110212121110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110212121111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185170201989 + ... + 185170202048.

It is an arithmetic number, because the mean of its divisors is an integer number (1666531818171).

Almost surely, 211110212121110 is an apocalyptic number.

11110212121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11110212121110 is an abundant number, since it is smaller than the sum of its proper divisors (15554296969626).

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

11110212121110 is a wasteful number, since it uses less digits than its factorization.

11110212121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370340404047.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11110212121110 its reverse (1112121201111), we get a palindrome (12222333322221).

The spelling of 11110212121110 in words is "eleven trillion, one hundred ten billion, two hundred twelve million, one hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 370340404037 740680808074 1111021212111 1851702020185 2222042424222 3703404040370 5555106060555 11110212121110