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102112100221211 = 2318177012442457
BaseRepresentation
bin10111001101111011010011…
…011101100000000100011011
3111101112211011211111122111122
4113031323103131200010123
5101341001040124034321
61001101352400315455
730336233014615553
oct2715732335400433
9441484154448448
10102112100221211
112a599553577383
12b552013912b8b
1344c918c041952
141b3037578c163
15bc1283e528ab
hex5cded376011b

102112100221211 has 8 divisors (see below), whose sum is σ = 106551858996384. Its totient is φ = 97672349966400.

The previous prime is 102112100221207. The next prime is 102112100221213. The reversal of 102112100221211 is 112122001211201.

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 102112100221211 - 22 = 102112100221207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102112100221211.

It is not an unprimeable number, because it can be changed into a prime (102112100221213) 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, 40585895 + ... + 43028351.

It is an arithmetic number, because the mean of its divisors is an integer number (13318982374548).

Almost surely, 2102112100221211 is an apocalyptic number.

102112100221211 is a deficient number, since it is larger than the sum of its proper divisors (4439758775173).

102112100221211 is a wasteful number, since it uses less digits than its factorization.

102112100221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260181.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102112100221211 its reverse (112122001211201), we get a palindrome (214234101432412).

The spelling of 102112100221211 in words is "one hundred two trillion, one hundred twelve billion, one hundred million, two hundred twenty-one thousand, two hundred eleven".

Divisors: 1 23 1817701 2442457 41807123 56176511 4439656531357 102112100221211