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121122132121 = 1920341313399
BaseRepresentation
bin111000011001101110…
…0010001000010011001
3102120122012122211101101
41300303130101002121
53441024231211441
6131350455351401
711515343064424
oct1606334210231
9376565584341
10121122132121
1147405316641
121b583682561
13b563816a83
145c103a69bb
15323d75e231
hex1c33711099

121122132121 has 8 divisors (see below), whose sum is σ = 127503656000. Its totient is φ = 114741275760.

The previous prime is 121122132107. The next prime is 121122132169. The reversal of 121122132121 is 121231221121.

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

It is a cyclic number.

It is not a de Polignac number, because 121122132121 - 27 = 121122131993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121122132181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229780 + ... + 543178.

It is an arithmetic number, because the mean of its divisors is an integer number (15937957000).

Almost surely, 2121122132121 is an apocalyptic number.

It is an amenable number.

121122132121 is a deficient number, since it is larger than the sum of its proper divisors (6381523879).

121122132121 is a wasteful number, since it uses less digits than its factorization.

121122132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333759.

The product of its digits is 96, while the sum is 19.

Adding to 121122132121 its reverse (121231221121), we get a palindrome (242353353242).

The spelling of 121122132121 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred thirty-two thousand, one hundred twenty-one".

Divisors: 1 19 20341 313399 386479 5954581 6374849059 121122132121