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2011220221112 = 231913231711981
BaseRepresentation
bin11101010001000110000…
…100010001110010111000
321010021022101200010202222
4131101012010101302320
5230422434334033422
64135535233143212
7265206624544664
oct35210604216270
97107271603688
102011220221112
11705a54422aa3
122859556bab08
13117870ca5c6b
146d4b4ac78a4
15374b306c842
hex1d446111cb8

2011220221112 has 16 divisors (see below), whose sum is σ = 3969513594600. Its totient is φ = 952683262560.

The previous prime is 2011220221111. The next prime is 2011220221141. The reversal of 2011220221112 is 2111220221102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011220221111) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6615855839 + ... + 6615856142.

Almost surely, 22011220221112 is an apocalyptic number.

It is an amenable number.

2011220221112 is a deficient number, since it is larger than the sum of its proper divisors (1958293373488).

2011220221112 is a wasteful number, since it uses less digits than its factorization.

2011220221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13231712006 (or 13231712002 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2011220221112 its reverse (2111220221102), we get a palindrome (4122440442214).

The spelling of 2011220221112 in words is "two trillion, eleven billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 19 38 76 152 13231711981 26463423962 52926847924 105853695848 251402527639 502805055278 1005610110556 2011220221112