Search a number
-
+
222220012111 = 2331131066687
BaseRepresentation
bin1100111011110101011…
…0000100101001001111
3210020120220011020211221
43032331112010221033
512120101310341421
6250030402024211
722024550636266
oct3167526045117
9706526136757
10222220012111
1186274449179
1237099048067
1317c55914236
14aa811735dd
155ba9061841
hex33bd584a4f

222220012111 has 8 divisors (see below), whose sum is σ = 232627359744. Its totient is φ = 211874798520.

The previous prime is 222220012103. The next prime is 222220012121. The reversal of 222220012111 is 111210022222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 222220012111 - 23 = 222220012103 is a prime.

It is a super-2 number, since 2×2222200121112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220012121) 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, 15526191 + ... + 15540496.

It is an arithmetic number, because the mean of its divisors is an integer number (29078419968).

Almost surely, 2222220012111 is an apocalyptic number.

222220012111 is a deficient number, since it is larger than the sum of its proper divisors (10407347633).

222220012111 is a wasteful number, since it uses less digits than its factorization.

222220012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31067021.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222220012111 its reverse (111210022222), we get a palindrome (333430034333).

The spelling of 222220012111 in words is "two hundred twenty-two billion, two hundred twenty million, twelve thousand, one hundred eleven".

Divisors: 1 23 311 7153 31066687 714533801 9661739657 222220012111