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2120111202 = 231132122897
BaseRepresentation
bin111111001011110…
…0101010001100010
312110202100210211010
41332113211101202
513320222024302
6550213201350
7103352435136
oct17627452142
95422323733
102120111202
11998824a20
124b2030256
1327a30ca91
141618033c6
15c61db16c
hex7e5e5462

2120111202 has 16 divisors (see below), whose sum is σ = 4625697312. Its totient is φ = 642457920.

The previous prime is 2120111183. The next prime is 2120111221. The reversal of 2120111202 is 2021110212.

It is an interprime number because it is at equal distance from previous prime (2120111183) and next prime (2120111221).

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 7 ways as a sum of consecutive naturals, for example, 16061383 + ... + 16061514.

It is an arithmetic number, because the mean of its divisors is an integer number (289106082).

Almost surely, 22120111202 is an apocalyptic number.

2120111202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2120111202 is an abundant number, since it is smaller than the sum of its proper divisors (2505586110).

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

2120111202 is a wasteful number, since it uses less digits than its factorization.

2120111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32122913.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2120111202 is about 46044.6652936038. The cubic root of 2120111202 is about 1284.6541185791.

Adding to 2120111202 its reverse (2021110212), we get a palindrome (4141221414).

The spelling of 2120111202 in words is "two billion, one hundred twenty million, one hundred eleven thousand, two hundred two".

Divisors: 1 2 3 6 11 22 33 66 32122897 64245794 96368691 192737382 353351867 706703734 1060055601 2120111202