Search a number
-
+
110201111122121 = 831327724230387
BaseRepresentation
bin11001000011101000110010…
…000101010001000011001001
3112110012010022220121022121122
4121003220302011101003021
5103421013333421401441
61030213405213045025
732132524160041625
oct3103506205210311
9473163286538548
10110201111122121
1132128035322938
1210439869186775
134964bc6866836
141d2da95818185
15cb18b54b834b
hex643a321510c9

110201111122121 has 4 divisors (see below), whose sum is σ = 111528835352592. Its totient is φ = 108873386891652.

The previous prime is 110201111122103. The next prime is 110201111122127. The reversal of 110201111122121 is 121221111102011.

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 110201111122121 - 238 = 109926233215177 is a prime.

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 110201111122121.

It is not an unprimeable number, because it can be changed into a prime (110201111122127) 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, 663862115111 + ... + 663862115276.

It is an arithmetic number, because the mean of its divisors is an integer number (27882208838148).

Almost surely, 2110201111122121 is an apocalyptic number.

It is an amenable number.

110201111122121 is a deficient number, since it is larger than the sum of its proper divisors (1327724230471).

110201111122121 is an equidigital number, since it uses as much as digits as its factorization.

110201111122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327724230470.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 110201111122121 its reverse (121221111102011), we get a palindrome (231422222224132).

The spelling of 110201111122121 in words is "one hundred ten trillion, two hundred one billion, one hundred eleven million, one hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 83 1327724230387 110201111122121