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102120222001 = 724160533623
BaseRepresentation
bin101111100011011010…
…1101110110100110001
3100202120221012210001111
41133012311232310301
53133120234101001
6114525142433321
710243430364520
oct1370665566461
9322527183044
10102120222001
113a344226296
121795ba32841
139825b5aa85
144d2a8924b7
1529ca448851
hex17c6d6ed31

102120222001 has 8 divisors (see below), whose sum is σ = 117193096064. Its totient is φ = 87168415680.

The previous prime is 102120221993. The next prime is 102120222047. The reversal of 102120222001 is 100222021201.

It is a happy number.

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 102120222001 - 23 = 102120221993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102120222091) 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, 30265125 + ... + 30268498.

It is an arithmetic number, because the mean of its divisors is an integer number (14649137008).

Almost surely, 2102120222001 is an apocalyptic number.

It is an amenable number.

102120222001 is a deficient number, since it is larger than the sum of its proper divisors (15072874063).

102120222001 is an equidigital number, since it uses as much as digits as its factorization.

102120222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60533871.

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

Adding to 102120222001 its reverse (100222021201), we get a palindrome (202342243202).

The spelling of 102120222001 in words is "one hundred two billion, one hundred twenty million, two hundred twenty-two thousand, one".

Divisors: 1 7 241 1687 60533623 423735361 14588603143 102120222001