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2221123111330 = 251999199121333
BaseRepresentation
bin100000010100100101010…
…000010000100110100010
321212100002212222202211011
4200110211100100212202
5242342330004030310
64420211520411134
7316320333640024
oct40244520204642
97770085882734
102221123111330
11786a78101192
122ba575776aaa
131315b2b41496
1479708090014
153cb9aabb78a
hex205254109a2

2221123111330 has 32 divisors (see below), whose sum is σ = 4018582080000. Its totient is φ = 883881294912.

The previous prime is 2221123111309. The next prime is 2221123111379. The reversal of 2221123111330 is 331113211222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18245344 + ... + 18366676.

It is an arithmetic number, because the mean of its divisors is an integer number (125580690000).

Almost surely, 22221123111330 is an apocalyptic number.

2221123111330 is a deficient number, since it is larger than the sum of its proper divisors (1797458968670).

2221123111330 is a wasteful number, since it uses less digits than its factorization.

2221123111330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130738.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2221123111330 its reverse (331113211222), we get a palindrome (2552236322552).

The spelling of 2221123111330 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-three million, one hundred eleven thousand, three hundred thirty".

Divisors: 1 2 5 10 199 398 995 1990 9199 18398 45995 91990 121333 242666 606665 1213330 1830601 3661202 9153005 18306010 24145267 48290534 120726335 241452670 1116142267 2232284534 5580711335 11161422670 222112311133 444224622266 1110561555665 2221123111330