Search a number
-
+
222011212211110 = 257192314310516271
BaseRepresentation
bin110010011110101100000011…
…011100001010001110100110
31002010002001202002200202100101
4302132230003130022032212
5213044412430311223420
62104102313133134314
764522531542143560
oct6236540334121646
91063061662622311
10222011212211110
1164815476522343
1220a9731592a39a
1396b574b9a2a0a
143cb7585882330
151aa004b40e60a
hexc9eb0370a3a6

222011212211110 has 384 divisors, whose sum is σ = 509696805961728. Its totient is φ = 68087083680000.

The previous prime is 222011212211083. The next prime is 222011212211119. The reversal of 222011212211110 is 11112212110222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011212211119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 35402837275 + ... + 35402843545.

It is an arithmetic number, because the mean of its divisors is an integer number (1327335432192).

Almost surely, 2222011212211110 is an apocalyptic number.

222011212211110 is an abundant number, since it is smaller than the sum of its proper divisors (287685593750618).

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

222011212211110 is a wasteful number, since it uses less digits than its factorization.

222011212211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7448 (or 7429 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 222011212211110 its reverse (11112212110222), we get a palindrome (233123424321332).

The spelling of 222011212211110 in words is "two hundred twenty-two trillion, eleven billion, two hundred twelve million, two hundred eleven thousand, one hundred ten".