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111021301012 = 22164771684489
BaseRepresentation
bin110011101100101100…
…0101001110100010100
3101121120021011102222111
41213121120221310110
53304332423113022
6123000311440404
711010132326266
oct1473130516424
9347507142874
10111021301012
11430a16a2736
1219624986104
13a613c8472b
145532ab7b36
152d4bad5477
hex19d9629d14

111021301012 has 12 divisors (see below), whose sum is σ = 194299183540. Its totient is φ = 55507248576.

The previous prime is 111021301009. The next prime is 111021301031. The reversal of 111021301012 is 210103120111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37436058256 + 73585242756 = 193484^2 + 271266^2 .

It is a super-2 number, since 2×1110213010122 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111021300983 and 111021301001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776337 + ... + 908152.

Almost surely, 2111021301012 is an apocalyptic number.

It is an amenable number.

111021301012 is a deficient number, since it is larger than the sum of its proper divisors (83277882528).

111021301012 is a wasteful number, since it uses less digits than its factorization.

111021301012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700970 (or 1700968 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111021301012 its reverse (210103120111), we get a palindrome (321124421123).

The spelling of 111021301012 in words is "one hundred eleven billion, twenty-one million, three hundred one thousand, twelve".

Divisors: 1 2 4 16477 32954 65908 1684489 3368978 6737956 27755325253 55510650506 111021301012