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2221222011011 = 30832565728081
BaseRepresentation
bin100000010100101011001…
…001100010000010000011
321212100100210002101200022
4200110223021202002003
5242343030313323021
64420225412244055
7316322644400213
oct40245311420203
97770323071608
102221222011011
11787018a10a63
122ba5a291062b
131315ca48b1c3
1479717276243
153cba46051ab
hex2052b262083

2221222011011 has 8 divisors (see below), whose sum is σ = 2222108216304. Its totient is φ = 2220335919360.

The previous prime is 2221222010971. The next prime is 2221222011031. The reversal of 2221222011011 is 1101102221222.

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 2221222011011 - 226 = 2221154902147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221222011031) 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, 79086491 + ... + 79114571.

It is an arithmetic number, because the mean of its divisors is an integer number (277763527038).

Almost surely, 22221222011011 is an apocalyptic number.

2221222011011 is a deficient number, since it is larger than the sum of its proper divisors (886205293).

2221222011011 is a wasteful number, since it uses less digits than its factorization.

2221222011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56821.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2221222011011 its reverse (1101102221222), we get a palindrome (3322324232233).

The spelling of 2221222011011 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, eleven thousand, eleven".

Divisors: 1 3083 25657 28081 79100531 86573723 720474217 2221222011011