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10111102212012 = 2231211896952709
BaseRepresentation
bin1001001100100010110010…
…1001111101011110101100
31022210121112002122101211120
42103020230221331132230
52311130014131241022
633300550511020540
72062334352512664
oct223105451753654
938717462571746
1010111102212012
11324910466a34a
12117372380a750
1358461bacbb89
1426d5468691a4
1512802dbabd5c
hex9322ca7d7ac

10111102212012 has 24 divisors (see below), whose sum is σ = 23592769897200. Its totient is φ = 3370339108416.

The previous prime is 10111102211999. The next prime is 10111102212037. The reversal of 10111102212012 is 21021220111101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10111102211982 and 10111102212000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2022087 + ... + 4930622.

It is an arithmetic number, because the mean of its divisors is an integer number (983032079050).

Almost surely, 210111102212012 is an apocalyptic number.

10111102212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10111102212012 is an abundant number, since it is smaller than the sum of its proper divisors (13481667685188).

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

10111102212012 is a wasteful number, since it uses less digits than its factorization.

10111102212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073905 (or 7073903 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10111102212012 its reverse (21021220111101), we get a palindrome (31132322323113).

The spelling of 10111102212012 in words is "ten trillion, one hundred eleven billion, one hundred two million, two hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 12 121189 242378 363567 484756 727134 1454268 6952709 13905418 20858127 27810836 41716254 83432508 842591851001 1685183702002 2527775553003 3370367404004 5055551106006 10111102212012