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121331101332 = 22371444417873
BaseRepresentation
bin111000011111111100…
…1011010111010010100
3102121011202212120020210
41300333321122322110
53441441230220312
6131423322325420
711523461226210
oct1607771327224
9377152776223
10121331101332
1147502275271
121b621659870
13b597bc16ac
145c30041940
153251c8ae3c
hex1c3fe5ae94

121331101332 has 24 divisors (see below), whose sum is σ = 323549603776. Its totient is φ = 34666028928.

The previous prime is 121331101327. The next prime is 121331101363. The reversal of 121331101332 is 233101133121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 121331101299 and 121331101308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722208853 + ... + 722209020.

Almost surely, 2121331101332 is an apocalyptic number.

121331101332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121331101332 is an abundant number, since it is smaller than the sum of its proper divisors (202218502444).

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

121331101332 is a wasteful number, since it uses less digits than its factorization.

121331101332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444417887 (or 1444417885 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121331101332 its reverse (233101133121), we get a palindrome (354432234453).

The spelling of 121331101332 in words is "one hundred twenty-one billion, three hundred thirty-one million, one hundred one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1444417873 2888835746 4333253619 5777671492 8666507238 10110925111 17333014476 20221850222 30332775333 40443700444 60665550666 121331101332