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11121210102012 = 2231798995151599
BaseRepresentation
bin1010000111010101101111…
…0001110001000011111100
31110101011210020211211200220
42201311123301301003330
52424202214241231022
635353002520421340
72225323645100043
oct241653361610374
943334706754626
1011121210102012
1135a852a19a63a
1212b7446917850
1362895822b9ca
142a63ab4bb55a
1514444c9e385c
hexa1d5bc710fc

11121210102012 has 24 divisors (see below), whose sum is σ = 25949639520000. Its totient is φ = 3707048708016.

The previous prime is 11121210102007. The next prime is 11121210102047. The reversal of 11121210102012 is 21020101212111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11121210101982 and 11121210102000.

It is a congruent number.

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, 417012 + ... + 4734587.

It is an arithmetic number, because the mean of its divisors is an integer number (1081234980000).

Almost surely, 211121210102012 is an apocalyptic number.

11121210102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11121210102012 is an abundant number, since it is smaller than the sum of its proper divisors (14828429417988).

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

11121210102012 is a wasteful number, since it uses less digits than its factorization.

11121210102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5331505 (or 5331503 counting only the distinct ones).

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

Adding to 11121210102012 its reverse (21020101212111), we get a palindrome (32141311314123).

The spelling of 11121210102012 in words is "eleven trillion, one hundred twenty-one billion, two hundred ten million, one hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 179899 359798 539697 719596 1079394 2158788 5151599 10303198 15454797 20606396 30909594 61819188 926767508501 1853535017002 2780302525503 3707070034004 5560605051006 11121210102012