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2222021222011 = 19199821715811
BaseRepresentation
bin100000010101011010110…
…010010001111001111011
321212102102110221112001201
4200111122302101321323
5242401144413101021
64420441002155031
7316351520516353
oct40253262217173
97772373845051
102222021222011
11787399063018
122ba7864b2a77
131316c6c25c16
1479791477b63
153cbee873591
hex2055ac91e7b

2222021222011 has 16 divisors (see below), whose sum is σ = 2353589856000. Its totient is φ = 2091940408800.

The previous prime is 2222021222009. The next prime is 2222021222023. The reversal of 2222021222011 is 1102221202222.

2222021222011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2222021222011 - 21 = 2222021222009 is a prime.

It is a super-2 number, since 2×22220212220112 (a number of 25 digits) contains 22 as substring.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222021222011.

It is not an unprimeable number, because it can be changed into a prime (2222021222081) 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, 2746296 + ... + 3462106.

It is an arithmetic number, because the mean of its divisors is an integer number (147099366000).

Almost surely, 22222021222011 is an apocalyptic number.

2222021222011 is a deficient number, since it is larger than the sum of its proper divisors (131568633989).

2222021222011 is a wasteful number, since it uses less digits than its factorization.

2222021222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716850.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2222021222011 its reverse (1102221202222), we get a palindrome (3324242424233).

The spelling of 2222021222011 in words is "two trillion, two hundred twenty-two billion, twenty-one million, two hundred twenty-two thousand, eleven".

Divisors: 1 19 199 821 3781 15599 163379 715811 3104201 13600409 142446389 587680831 2706481391 11165935789 116948485369 2222021222011