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112211211100 = 22521398072749
BaseRepresentation
bin110100010000001001…
…1110011001101011100
3101201122012012010202111
41220200103303031130
53314302032223400
6123314335403404
711051461362022
oct1504023631534
9351565163674
10112211211100
11436523377aa
12198b7383564
13a773655441
145606b3c712
152dbb2cb3ba
hex1a204f335c

112211211100 has 36 divisors (see below), whose sum is σ = 245250145000. Its totient is φ = 44561568960.

The previous prime is 112211211019. The next prime is 112211211113. The reversal of 112211211100 is 1112112211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4022475 + ... + 4050274.

Almost surely, 2112211211100 is an apocalyptic number.

112211211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112211211100 is an abundant number, since it is smaller than the sum of its proper divisors (133038933900).

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

112211211100 is a wasteful number, since it uses less digits than its factorization.

112211211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8072902 (or 8072895 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112211211100 its reverse (1112112211), we get a palindrome (113323323311).

The spelling of 112211211100 in words is "one hundred twelve billion, two hundred eleven million, two hundred eleven thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 139 278 556 695 1390 2780 3475 6950 13900 8072749 16145498 32290996 40363745 80727490 161454980 201818725 403637450 807274900 1122112111 2244224222 4488448444 5610560555 11221121110 22442242220 28052802775 56105605550 112211211100