Search a number
-
+
22111011213 = 355713232203
BaseRepresentation
bin10100100101111010…
…110100000110001101
32010001221202202020020
4110211322310012031
5330240404324323
614054015412353
71411634331354
oct244572640615
963057682206
1022111011213
1194170a8a95
124350b240b9
132114b4c6b5
1410da7da99b
1589625aae3
hex525eb418d

22111011213 has 8 divisors (see below), whose sum is σ = 29534279328. Its totient is φ = 14714208624.

The previous prime is 22111011163. The next prime is 22111011233. The reversal of 22111011213 is 31211011122.

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

It is not a de Polignac number, because 22111011213 - 228 = 21842575757 is a prime.

It is a super-2 number, since 2×221110112132 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22111011192 and 22111011201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111011233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6614431 + ... + 6617772.

It is an arithmetic number, because the mean of its divisors is an integer number (3691784916).

Almost surely, 222111011213 is an apocalyptic number.

It is an amenable number.

22111011213 is a deficient number, since it is larger than the sum of its proper divisors (7423268115).

22111011213 is a wasteful number, since it uses less digits than its factorization.

22111011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13232763.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 22111011213 its reverse (31211011122), we get a palindrome (53322022335).

Subtracting 22111011213 from its reverse (31211011122), we obtain a palindrome (9099999909).

The spelling of 22111011213 in words is "twenty-two billion, one hundred eleven million, eleven thousand, two hundred thirteen".

Divisors: 1 3 557 1671 13232203 39696609 7370337071 22111011213