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121112332131121 = 1944098914454631
BaseRepresentation
bin11011100010011010101001…
…100010001101101100110001
3120212211020002122220222021021
4123202122221202031230301
5111333301024011143441
61105330123130455441
734340035331250562
oct3342325142155461
9525736078828237
10121112332131121
11356544a7106901
121170046ab94581
135276ac8107546
1421c9c222d0169
15e00622ad13d1
hex6e26a988db31

121112332131121 has 8 divisors (see below), whose sum is σ = 127486963313600. Its totient is φ = 114737730739920.

The previous prime is 121112332131067. The next prime is 121112332131163. The reversal of 121112332131121 is 121131233211121.

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

It is not a de Polignac number, because 121112332131121 - 233 = 121103742196529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121112332131181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151476 + ... + 15606106.

It is an arithmetic number, because the mean of its divisors is an integer number (15935870414200).

Almost surely, 2121112332131121 is an apocalyptic number.

It is an amenable number.

121112332131121 is a deficient number, since it is larger than the sum of its proper divisors (6374631182479).

121112332131121 is a wasteful number, since it uses less digits than its factorization.

121112332131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14895639.

The product of its digits is 432, while the sum is 25.

Adding to 121112332131121 its reverse (121131233211121), we get a palindrome (242243565342242).

It can be divided in two parts, 121112 and 332131121, that added together give a palindrome (332252233).

The spelling of 121112332131121 in words is "one hundred twenty-one trillion, one hundred twelve billion, three hundred thirty-two million, one hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 19 440989 8378791 14454631 274637989 6374333270059 121112332131121