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102011011111121 = 7839148111728217
BaseRepresentation
bin10111001100011101001010…
…000101001001100011010001
3111101012011020202111210002012
4113030131022011021203101
5101332322022321023441
61000543113410032305
730326023644431150
oct2714351205114321
9441164222453065
10102011011111121
112a55a6993947a2
12b536501278695
1344bc79b9c5188
141b29505c25597
15bbd8192d39eb
hex5cc74a1498d1

102011011111121 has 16 divisors (see below), whose sum is σ = 116801792190720. Its totient is φ = 87274815671040.

The previous prime is 102011011111109. The next prime is 102011011111133. The reversal of 102011011111121 is 121111110110201.

It is an interprime number because it is at equal distance from previous prime (102011011111109) and next prime (102011011111133).

It is a cyclic number.

It is not a de Polignac number, because 102011011111121 - 234 = 101993831241937 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102011011111096 and 102011011111105.

It is not an unprimeable number, because it can be changed into a prime (102011011111621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2833805 + ... + 14562021.

It is an arithmetic number, because the mean of its divisors is an integer number (7300112011920).

Almost surely, 2102011011111121 is an apocalyptic number.

It is an amenable number.

102011011111121 is a deficient number, since it is larger than the sum of its proper divisors (14790781079599).

102011011111121 is a wasteful number, since it uses less digits than its factorization.

102011011111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11730544.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 102011011111121 its reverse (121111110110201), we get a palindrome (223122121221322).

The spelling of 102011011111121 in words is "one hundred two trillion, eleven billion, eleven million, one hundred eleven thousand, one hundred twenty-one".

Divisors: 1 7 839 1481 5873 10367 1242559 8697913 11728217 82097519 9839974063 17369489377 68879818441 121586425639 14573001587303 102011011111121