Search a number
-
+
2111022213100 = 225291291231241
BaseRepresentation
bin11110101110000010101…
…110101010011111101100
321110210220202201122002121
4132232002232222133230
5234041333141304400
64253442404202324
7305342045513443
oct36560256523754
97423822648077
102111022213100
11744309006809
122a11690993a4
131240b7777ca8
1474261723d5a
1539da4be321a
hex1eb82baa7ec

2111022213100 has 36 divisors (see below), whose sum is σ = 4580988192088. Its totient is φ = 844395984000.

The previous prime is 2111022213007. The next prime is 2111022213121. The reversal of 2111022213100 is 13122201112.

It is a super-2 number, since 2×21110222131002 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9013480 + ... + 9244720.

Almost surely, 22111022213100 is an apocalyptic number.

2111022213100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111022213100 is an abundant number, since it is smaller than the sum of its proper divisors (2469965978988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111022213100 is a wasteful number, since it uses less digits than its factorization.

2111022213100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322546 (or 322539 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2111022213100 its reverse (13122201112), we get a palindrome (2124144414212).

The spelling of 2111022213100 in words is "two trillion, one hundred eleven billion, twenty-two million, two hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 91291 182582 231241 365164 456455 462482 912910 924964 1156205 1825820 2282275 2312410 4564550 4624820 5781025 9129100 11562050 23124100 21110222131 42220444262 84440888524 105551110655 211102221310 422204442620 527755553275 1055511106550 2111022213100