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2111002122 = 23351833687
BaseRepresentation
bin111110111010011…
…0101011000001010
312110010020000111210
41331310311120022
513310404031442
6545250033550
7103212136065
oct17564653012
95403200453
102111002122
11993673159
124aab788b6
132784708a8
141605118dc
15c54dc19c
hex7dd3560a

2111002122 has 8 divisors (see below), whose sum is σ = 4222004256. Its totient is φ = 703667372.

The previous prime is 2111002099. The next prime is 2111002129. The reversal of 2111002122 is 2212001112.

Adding to 2111002122 its reverse (2212001112), we get a palindrome (4323003234).

It is a sphenic number, since it is the product of 3 distinct primes.

2111002122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2111002098 and 2111002107.

It is not an unprimeable number, because it can be changed into a prime (2111002129) 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, 175916838 + ... + 175916849.

It is an arithmetic number, because the mean of its divisors is an integer number (527750532).

Almost surely, 22111002122 is an apocalyptic number.

2111002122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2111002122 is a wasteful number, since it uses less digits than its factorization.

2111002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351833692.

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

The square root of 2111002122 is about 45945.6431231515. The cubic root of 2111002122 is about 1282.8116340079.

The spelling of 2111002122 in words is "two billion, one hundred eleven million, two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 351833687 703667374 1055501061 2111002122