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102122221010111 = 1723322559809719
BaseRepresentation
bin10111001110000100101110…
…101101001111110010111111
3111101120210022011112222211222
4113032010232231033302333
5101341132302034310421
61001110144540103555
730340041560116001
oct2716045655176277
9441523264488758
10102122221010111
112a5a2877491925
12b553b79234bbb
1344ca112a71133
141b30a55994371
15bc167771ecab
hex5ce12eb4fcbf

102122221010111 has 16 divisors (see below), whose sum is σ = 112831178342400. Its totient is φ = 91935718562688.

The previous prime is 102122221010081. The next prime is 102122221010113. The reversal of 102122221010111 is 111010122221201.

It is not a de Polignac number, because 102122221010111 - 210 = 102122221009087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 102122221010111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122221010113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125715710 + ... + 126525428.

It is an arithmetic number, because the mean of its divisors is an integer number (7051948646400).

Almost surely, 2102122221010111 is an apocalyptic number.

102122221010111 is a deficient number, since it is larger than the sum of its proper divisors (10708957332289).

102122221010111 is a wasteful number, since it uses less digits than its factorization.

102122221010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132318.

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

Adding to 102122221010111 its reverse (111010122221201), we get a palindrome (213132343231312).

The spelling of 102122221010111 in words is "one hundred two trillion, one hundred twenty-two billion, two hundred twenty-one million, ten thousand, one hundred eleven".

Divisors: 1 17 23 391 322559 809719 5483503 7418857 13765223 18623537 126120569 316600129 261182150921 4440096565657 6007189471183 102122221010111