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110121031321 = 7236071126823
BaseRepresentation
bin110011010001110111…
…0011001011010011001
3101112020112011000010121
41212203232121122121
53301011441000241
6122331111513241
710645621215310
oct1464356313231
9345215130117
10110121031321
114277a4a67a4
1219413388821
13a4cc5c5382
1454892cb277
152ce7a53ad1
hex19a3b99699

110121031321 has 16 divisors (see below), whose sum is σ = 131540926464. Its totient is φ = 90136745424.

The previous prime is 110121031249. The next prime is 110121031357. The reversal of 110121031321 is 123130121011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 110121031321 - 29 = 110121030809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110121031295 and 110121031304.

It is not an unprimeable number, because it can be changed into a prime (110121031921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465685 + ... + 661138.

It is an arithmetic number, because the mean of its divisors is an integer number (8221307904).

Almost surely, 2110121031321 is an apocalyptic number.

It is an amenable number.

110121031321 is a deficient number, since it is larger than the sum of its proper divisors (21419895143).

110121031321 is a wasteful number, since it uses less digits than its factorization.

110121031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127460.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 110121031321 its reverse (123130121011), we get a palindrome (233251152332).

The spelling of 110121031321 in words is "one hundred ten billion, one hundred twenty-one million, thirty-one thousand, three hundred twenty-one".

Divisors: 1 7 23 161 607 4249 13961 97727 1126823 7887761 25916929 181418503 683981561 4787870927 15731575903 110121031321