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2120111111132 = 227791139384127
BaseRepresentation
bin11110110110100000011…
…110000011101111011100
321111200101012002111021122
4132312200132003233130
5234213441421024012
64301544322550112
7306113221050440
oct36664036035734
97450335074248
102120111111132
117481524a6393
122a2a84b08338
13124c05782771
147488487a820
153a237acee72
hex1eda0783bdc

2120111111132 has 48 divisors (see below), whose sum is σ = 4294323855360. Its totient is φ = 897028134912.

The previous prime is 2120111111081. The next prime is 2120111111159. The reversal of 2120111111132 is 2311111110212.

It is a super-2 number, since 2×21201111111322 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2120111111132.

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 15 ways as a sum of consecutive naturals, for example, 25159253 + ... + 25243379.

It is an arithmetic number, because the mean of its divisors is an integer number (89465080320).

Almost surely, 22120111111132 is an apocalyptic number.

It is an amenable number.

2120111111132 is an abundant number, since it is smaller than the sum of its proper divisors (2174212744228).

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

2120111111132 is a wasteful number, since it uses less digits than its factorization.

2120111111132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95610 (or 95608 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 2120111111132 its reverse (2311111110212), we get a palindrome (4431222221344).

The spelling of 2120111111132 in words is "two trillion, one hundred twenty billion, one hundred eleven million, one hundred eleven thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 79 158 316 553 1106 2212 11393 22786 45572 79751 84127 159502 168254 319004 336508 588889 900047 1177778 1800094 2355556 3600188 6300329 6646033 12600658 13292066 25201316 26584132 46522231 93044462 186088924 958458911 1916917822 3833835644 6709212377 13418424754 26836849508 75718253969 151436507938 302873015876 530027777783 1060055555566 2120111111132