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121110022220123 = 9397101021127579
BaseRepresentation
bin11011100010011000011111…
…110110100110100101011011
3120212211000010200102100002002
4123202120133312212211123
5111333231311142020443
61105325102013231215
734336624152320306
oct3342303766464533
9525730120370062
10121110022220123
1135653521236552
12116bbb2549250b
13527681a6a21c1
1421c9a83601b3d
15e00539e032b8
hex6e261fda695b

121110022220123 has 8 divisors (see below), whose sum is σ = 121125058770480. Its totient is φ = 121094986145760.

The previous prime is 121110022220059. The next prime is 121110022220171. The reversal of 121110022220123 is 321022220011121.

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 121110022220123 - 26 = 121110022220059 is a prime.

It is a super-2 number, since 2×1211100222201232 (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 = 121110022220095 and 121110022220104.

It is not an unprimeable number, because it can be changed into a prime (121110022250123) 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, 949230548 + ... + 949358126.

It is an arithmetic number, because the mean of its divisors is an integer number (15140632346310).

Almost surely, 2121110022220123 is an apocalyptic number.

121110022220123 is a deficient number, since it is larger than the sum of its proper divisors (15036550357).

121110022220123 is a wasteful number, since it uses less digits than its factorization.

121110022220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237997.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 121110022220123 its reverse (321022220011121), we get a palindrome (442132242231244).

The spelling of 121110022220123 in words is "one hundred twenty-one trillion, one hundred ten billion, twenty-two million, two hundred twenty thousand, one hundred twenty-three".

Divisors: 1 9397 101021 127579 949294337 1198859863 12888158159 121110022220123