Search a number
-
+
2100010022111 = 193111259282281
BaseRepresentation
bin11110100011110010010…
…110011111010011011111
321102202111022100100222002
4132203302112133103133
5233401310031201421
64244421542512515
7304502130444401
oct36436226372337
97382438310862
102100010022111
1173a677a01721
1229abb513573b
13123051172751
14738d8d9cb71
153995d046b0b
hex1e8f259f4df

2100010022111 has 16 divisors (see below), whose sum is σ = 2219413996800. Its totient is φ = 1981503979200.

The previous prime is 2100010022101. The next prime is 2100010022119. The reversal of 2100010022111 is 1112200100012.

It is a cyclic number.

It is not a de Polignac number, because 2100010022111 - 214 = 2100010005727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100010022092 and 2100010022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100010022119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7298291 + ... + 7580571.

It is an arithmetic number, because the mean of its divisors is an integer number (138713374800).

Almost surely, 22100010022111 is an apocalyptic number.

2100010022111 is a deficient number, since it is larger than the sum of its proper divisors (119403974689).

2100010022111 is a wasteful number, since it uses less digits than its factorization.

2100010022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283870.

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

Adding to 2100010022111 its reverse (1112200100012), we get a palindrome (3212210122123).

The spelling of 2100010022111 in words is "two trillion, one hundred billion, ten million, twenty-two thousand, one hundred eleven".

Divisors: 1 19 311 1259 5909 23921 282281 391549 5363339 7439431 87789391 355391779 1667998429 6752443801 110526843269 2100010022111