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2221000100111 = 131289313251079
BaseRepresentation
bin100000010100011101111…
…011000000100100001111
321212022210022112011011002
4200110131323000210033
5242342102011200421
64420151404050515
7316314311234522
oct40243573004417
97768708464132
102221000100111
11786a14723021
122ba540533a3b
13131593501a90
14796d59ccbb9
153cb8edbdb0b
hex2051dec090f

2221000100111 has 8 divisors (see below), whose sum is σ = 2392031957280. Its totient is φ = 2049994770912.

The previous prime is 2221000100093. The next prime is 2221000100129. The reversal of 2221000100111 is 1110010001222.

It is an interprime number because it is at equal distance from previous prime (2221000100093) and next prime (2221000100129).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2221000100111 is a prime.

It is a super-4 number, since 4×22210001001114 (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221000100092 and 2221000100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221000100911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6457931 + ... + 6793148.

It is an arithmetic number, because the mean of its divisors is an integer number (299003994660).

Almost surely, 22221000100111 is an apocalyptic number.

2221000100111 is a deficient number, since it is larger than the sum of its proper divisors (171031857169).

2221000100111 is a wasteful number, since it uses less digits than its factorization.

2221000100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13263985.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2221000100111 its reverse (1110010001222), we get a palindrome (3331010101333).

The spelling of 2221000100111 in words is "two trillion, two hundred twenty-one billion, one hundred thousand, one hundred eleven".

Divisors: 1 13 12893 167609 13251079 172264027 170846161547 2221000100111