Search a number
-
+
111121102200101 = 715874443171443
BaseRepresentation
bin11001010001000001100101…
…110100101101110100100101
3112120110001222200010101101112
4121101001211310231310211
5104031102004130400401
61032200155110434405
732256143334136430
oct3121014564556445
9476401880111345
10111121102200101
11324522162a8484
1210568020362a05
134a008a0bc5566
141d6240bc42817
15cca7aca9c3bb
hex651065d2dd25

111121102200101 has 4 divisors (see below), whose sum is σ = 126995545371552. Its totient is φ = 95246659028652.

The previous prime is 111121102200077. The next prime is 111121102200209. The reversal of 111121102200101 is 101002201121111.

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 111121102200101 - 210 = 111121102199077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111121102208101) 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, 7937221585715 + ... + 7937221585728.

It is an arithmetic number, because the mean of its divisors is an integer number (31748886342888).

Almost surely, 2111121102200101 is an apocalyptic number.

It is an amenable number.

111121102200101 is a deficient number, since it is larger than the sum of its proper divisors (15874443171451).

111121102200101 is an equidigital number, since it uses as much as digits as its factorization.

111121102200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15874443171450.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111121102200101 its reverse (101002201121111), we get a palindrome (212123303321212).

The spelling of 111121102200101 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred two million, two hundred thousand, one hundred one".

Divisors: 1 7 15874443171443 111121102200101