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110103012221 = 711550746651
BaseRepresentation
bin110011010001010100…
…1101010001101111101
3101112012021020112120112
41212202221222031331
53300442332342341
6122325225355405
710645312106426
oct1464251521575
9345167215515
10110103012221
1142770309784
1219409338b65
13a4c8956797
145486b5a64d
152ce6194aeb
hex19a2a6a37d

110103012221 has 4 divisors (see below), whose sum is σ = 111653758944. Its totient is φ = 108552265500.

The previous prime is 110103012211. The next prime is 110103012223. The reversal of 110103012221 is 122210301011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110103012221 - 210 = 110103011197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110103012196 and 110103012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110103012223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775373255 + ... + 775373396.

It is an arithmetic number, because the mean of its divisors is an integer number (27913439736).

Almost surely, 2110103012221 is an apocalyptic number.

It is an amenable number.

110103012221 is a deficient number, since it is larger than the sum of its proper divisors (1550746723).

110103012221 is an equidigital number, since it uses as much as digits as its factorization.

110103012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550746722.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 110103012221 its reverse (122210301011), we get a palindrome (232313313232).

The spelling of 110103012221 in words is "one hundred ten billion, one hundred three million, twelve thousand, two hundred twenty-one".

Divisors: 1 71 1550746651 110103012221