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2111031122 = 210911238623
BaseRepresentation
bin111110111010011…
…1100011101010010
312110010021111021212
41331310330131102
513310410443442
6545250420122
7103212316454
oct17564743522
95403244255
102111031122
11993692a22
124aab91642
13278480b55
1416051c2d4
15c54e5a82
hex7dd3c752

2111031122 has 16 divisors (see below), whose sum is σ = 3198814080. Its totient is φ = 1044779472.

The previous prime is 2111031113. The next prime is 2111031163. The reversal of 2111031122 is 2211301112.

It is a junction number, because it is equal to n+sod(n) for n = 2111031097 and 2111031106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240503 + ... + 249125.

It is an arithmetic number, because the mean of its divisors is an integer number (199925880).

Almost surely, 22111031122 is an apocalyptic number.

2111031122 is a deficient number, since it is larger than the sum of its proper divisors (1087782958).

2111031122 is a wasteful number, since it uses less digits than its factorization.

2111031122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9857.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2111031122 is about 45945.9587123830. The cubic root of 2111031122 is about 1282.8175082113.

Adding to 2111031122 its reverse (2211301112), we get a palindrome (4322332234).

The spelling of 2111031122 in words is "two billion, one hundred eleven million, thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 109 218 1123 2246 8623 17246 122407 244814 939907 1879814 9683629 19367258 1055515561 2111031122