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11110230221112 = 23321125342615647
BaseRepresentation
bin1010000110101100110101…
…0100110110000100111000
31110100010110001021002200100
42201223031110312010320
52424012222414033422
635343545211435400
72224454601460341
oct241531524660470
943303401232610
1011110230221112
1135a3905353600
1212b52a1755b60
136278c8529a69
142a5a491670c8
15144008aca7ac
hexa1acd536138

11110230221112 has 288 divisors, whose sum is σ = 33712281570240. Its totient is φ = 3301853068800.

The previous prime is 11110230221107. The next prime is 11110230221143. The reversal of 11110230221112 is 21112203201111.

It is a happy number.

It is a super-2 number, since 2×111102302211122 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1967454273 + ... + 1967459919.

It is an arithmetic number, because the mean of its divisors is an integer number (117056533230).

Almost surely, 211110230221112 is an apocalyptic number.

11110230221112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11110230221112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16856140785120).

11110230221112 is an abundant number, since it is smaller than the sum of its proper divisors (22602051349128).

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

11110230221112 is a wasteful number, since it uses less digits than its factorization.

11110230221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9995 (or 9977 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11110230221112 its reverse (21112203201111), we get a palindrome (32222433422223).

The spelling of 11110230221112 in words is "eleven trillion, one hundred ten billion, two hundred thirty million, two hundred twenty-one thousand, one hundred twelve".