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121133131121131 = 1755849127584707
BaseRepresentation
bin11011100010101110000001…
…010000000100000111101011
3120212220012210011220010202121
4123202232001100010013223
5111334121123031334011
61105343443041212111
734341402624613453
oct3342560120040753
9525805704803677
10121133131121131
11356622aa646948
12117044b4631037
135278a611a041c
1421cac3675ad63
15e00e3da74e71
hex6e2b814041eb

121133131121131 has 8 divisors (see below), whose sum is σ = 128260906952400. Its totient is φ = 114005610571008.

The previous prime is 121133131121129. The next prime is 121133131121137. The reversal of 121133131121131 is 131121131331121.

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 121133131121131 - 21 = 121133131121129 is a prime.

It is a super-2 number, since 2×1211331311211312 (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 = 121133131121096 and 121133131121105.

It is not an unprimeable number, because it can be changed into a prime (121133131121137) 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, 62842921 + ... + 64741786.

It is an arithmetic number, because the mean of its divisors is an integer number (16032613369050).

Almost surely, 2121133131121131 is an apocalyptic number.

121133131121131 is a deficient number, since it is larger than the sum of its proper divisors (7127775831269).

121133131121131 is a wasteful number, since it uses less digits than its factorization.

121133131121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127640573.

The product of its digits is 324, while the sum is 25.

Adding to 121133131121131 its reverse (131121131331121), we get a palindrome (252254262452252).

The spelling of 121133131121131 in words is "one hundred twenty-one trillion, one hundred thirty-three billion, one hundred thirty-one million, one hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 17 55849 949433 127584707 2168940019 7125478301243 121133131121131