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2102220012001 = 2391400870087
BaseRepresentation
bin11110100101110110000…
…100111011100111100001
321102222012022211111011111
4132211312010323213201
5233420321310341001
64245425130343321
7304610654161534
oct36456604734741
97388168744144
102102220012001
1174060143484a
1229b51128ab41
13123313c91185
1473a686baa1b
1539a3c088851
hex1e97613b9e1

2102220012001 has 4 divisors (see below), whose sum is σ = 2193620882112. Its totient is φ = 2010819141892.

The previous prime is 2102220011993. The next prime is 2102220012017. The reversal of 2102220012001 is 1002100222012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2102220012001 - 23 = 2102220011993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102220012091) 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 3 ways as a sum of consecutive naturals, for example, 45700435021 + ... + 45700435066.

It is an arithmetic number, because the mean of its divisors is an integer number (548405220528).

Almost surely, 22102220012001 is an apocalyptic number.

It is an amenable number.

2102220012001 is a deficient number, since it is larger than the sum of its proper divisors (91400870111).

2102220012001 is an equidigital number, since it uses as much as digits as its factorization.

2102220012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91400870110.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2102220012001 its reverse (1002100222012), we get a palindrome (3104320234013).

The spelling of 2102220012001 in words is "two trillion, one hundred two billion, two hundred twenty million, twelve thousand, one".

Divisors: 1 23 91400870087 2102220012001