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121322331222131 = 1322393003697141
BaseRepresentation
bin11011100101011110001110…
…011101001011000001110011
3120220120022010212021002222202
4123211132032131023001303
5111400221113243102011
61110010413132053415
734361151316132454
oct3345361635130163
9526508125232882
10121322331222131
113572556a121086
12117350b730426b
135290853b86200
1421d606437912b
15e05d13cd423b
hex6e578e74b073

121322331222131 has 12 divisors (see below), whose sum is σ = 131922378476640. Its totient is φ = 111521267413920.

The previous prime is 121322331222121. The next prime is 121322331222263. The reversal of 121322331222131 is 131222133223121.

It is not a de Polignac number, because 121322331222131 - 230 = 121321257480307 is a prime.

It is a super-2 number, since 2×1213223312221312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121322331222094 and 121322331222103.

It is not an unprimeable number, because it can be changed into a prime (121322331222121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1501808180 + ... + 1501888961.

It is an arithmetic number, because the mean of its divisors is an integer number (10993531539720).

Almost surely, 2121322331222131 is an apocalyptic number.

121322331222131 is a deficient number, since it is larger than the sum of its proper divisors (10600047254509).

121322331222131 is a wasteful number, since it uses less digits than its factorization.

121322331222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003697406 (or 3003697393 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

Adding to 121322331222131 its reverse (131222133223121), we get a palindrome (252544464445252).

The spelling of 121322331222131 in words is "one hundred twenty-one trillion, three hundred twenty-two billion, three hundred thirty-one million, two hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 13 169 239 3107 40391 3003697141 39048062833 507624816829 717883616699 9332487017087 121322331222131