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11020122 = 232612229
BaseRepresentation
bin101010000010…
…011101011010
3202201212202200
4222002131122
510310120442
61032111030
7162445431
oct52023532
922655680
1011020122
116247643
123835476
13238aca9
14166c118
15e7a34c
hexa8275a

11020122 has 12 divisors (see below), whose sum is σ = 23876970. Its totient is φ = 3673368.

The previous prime is 11020109. The next prime is 11020129. The reversal of 11020122 is 22102011.

Adding to 11020122 its reverse (22102011), we get a palindrome (33122133).

It can be written as a sum of positive squares in only one way, i.e., 8520561 + 2499561 = 2919^2 + 1581^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11020129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 306097 + ... + 306132.

Almost surely, 211020122 is an apocalyptic number.

11020122 is an abundant number, since it is smaller than the sum of its proper divisors (12856848).

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

11020122 is a wasteful number, since it uses less digits than its factorization.

11020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612237 (or 612234 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 11020122 is about 3319.6569099833. The cubic root of 11020122 is about 222.5335353232.

The spelling of 11020122 in words is "eleven million, twenty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 612229 1224458 1836687 3673374 5510061 11020122