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121122133 = 1111011103
BaseRepresentation
bin1110011100000…
…10110101010101
322102220122022221
413032002311111
5222001402013
620004022341
73000343516
oct716026525
9272818287
10121122133
1162408940
12346919b1
131c12a902
141212ca0d
15a97808d
hex7382d55

121122133 has 4 divisors (see below), whose sum is σ = 132133248. Its totient is φ = 110111020.

The previous prime is 121122107. The next prime is 121122139. The reversal of 121122133 is 331221121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121122133 - 217 = 120991061 is a prime.

It is a super-2 number, since 2×1211221332 = 29341142204939378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5505541 + ... + 5505562.

It is an arithmetic number, because the mean of its divisors is an integer number (33033312).

Almost surely, 2121122133 is an apocalyptic number.

It is an amenable number.

121122133 is a deficient number, since it is larger than the sum of its proper divisors (11011115).

121122133 is a wasteful number, since it uses less digits than its factorization.

121122133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011114.

The product of its digits is 72, while the sum is 16.

The square root of 121122133 is about 11005.5500998360. The cubic root of 121122133 is about 494.7751017260.

Adding to 121122133 its reverse (331221121), we get a palindrome (452343254).

The spelling of 121122133 in words is "one hundred twenty-one million, one hundred twenty-two thousand, one hundred thirty-three".

Divisors: 1 11 11011103 121122133