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2221021232023 = 111910626895847
BaseRepresentation
bin100000010100011111001…
…011100111101110010111
321212022211210021202200111
4200110133023213232113
5242342122413411043
64420153441023451
7316314655656556
oct40243713475627
97768753252614
102221021232023
11786a25646810
122ba547624b87
131315979c0479
14796d872dd9d
153cb91b9509d
hex2051f2e7b97

2221021232023 has 8 divisors (see below), whose sum is σ = 2550455003520. Its totient is φ = 1912841252280.

The previous prime is 2221021231987. The next prime is 2221021232071. The reversal of 2221021232023 is 3202321201222.

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 2221021232023 - 225 = 2220987677591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221021231985 and 2221021232003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221021232093) 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 7 ways as a sum of consecutive naturals, for example, 5313447715 + ... + 5313448132.

It is an arithmetic number, because the mean of its divisors is an integer number (318806875440).

Almost surely, 22221021232023 is an apocalyptic number.

2221021232023 is a deficient number, since it is larger than the sum of its proper divisors (329433771497).

2221021232023 is a wasteful number, since it uses less digits than its factorization.

2221021232023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10626895877.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2221021232023 its reverse (3202321201222), we get a palindrome (5423342433245).

The spelling of 2221021232023 in words is "two trillion, two hundred twenty-one billion, twenty-one million, two hundred thirty-two thousand, twenty-three".

Divisors: 1 11 19 209 10626895847 116895854317 201911021093 2221021232023