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2222221142021 = 5956827662797
BaseRepresentation
bin100000010101100110101…
…100111010100000000101
321212102221102010111202112
4200111212230322200011
5242402102103021041
64420512503150405
7316356466021466
oct40254654724005
97772842114675
102222221142021
117874909a0971
122ba821445405
1313172948299a
14797adc38d6d
153cc121b3deb
hex20566b3a805

2222221142021 has 8 divisors (see below), whose sum is σ = 2259929084640. Its totient is φ = 2184514638768.

The previous prime is 2222221141997. The next prime is 2222221142027. The reversal of 2222221142021 is 1202411222222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2222221142021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222221142027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3021395 + ... + 3684191.

It is an arithmetic number, because the mean of its divisors is an integer number (282491135580).

Almost surely, 22222221142021 is an apocalyptic number.

It is an amenable number.

2222221142021 is a deficient number, since it is larger than the sum of its proper divisors (37707942619).

2222221142021 is an equidigital number, since it uses as much as digits as its factorization.

2222221142021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719683.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 2222221142021 its reverse (1202411222222), we get a palindrome (3424632364243).

The spelling of 2222221142021 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred forty-two thousand, twenty-one".

Divisors: 1 59 56827 662797 3352793 39105023 37664765119 2222221142021