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110201112120221 = 17107112953661071
BaseRepresentation
bin11001000011101000110010…
…001001000100101110011101
3112110012010022222111000202022
4121003220302021010232131
5103421013334200321341
61030213405250305525
732132524201366553
oct3103506211045635
9473163288430668
10110201112120221
1132128035944811
12104398695882a5
134964bc6b25c25
141d2da959d7bd3
15cb18b5613e4b
hex643a32244b9d

110201112120221 has 16 divisors (see below), whose sum is σ = 117878350083840. Its totient is φ = 102658349084160.

The previous prime is 110201112120193. The next prime is 110201112120223. The reversal of 110201112120221 is 122021211102011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-110201112120221 is a prime.

It is a super-2 number, since 2×1102011121202212 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110201112120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110201112120223) 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, 24776885 + ... + 28884186.

It is an arithmetic number, because the mean of its divisors is an integer number (7367396880240).

Almost surely, 2110201112120221 is an apocalyptic number.

It is an amenable number.

110201112120221 is a deficient number, since it is larger than the sum of its proper divisors (7677237963619).

110201112120221 is a wasteful number, since it uses less digits than its factorization.

110201112120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53662324.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 110201112120221 its reverse (122021211102011), we get a palindrome (232222323222232).

The spelling of 110201112120221 in words is "one hundred ten trillion, two hundred one billion, one hundred twelve million, one hundred twenty thousand, two hundred twenty-one".

Divisors: 1 17 107 1129 1819 19193 120803 2053651 53661071 912238207 5741734597 60583349159 97609488149 1029916935703 6482418360013 110201112120221