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102101021000111 = 7157853108913913
BaseRepresentation
bin10111001101110000111111…
…000101101000000110101111
3111101111202120200222220100102
4113031300333011220012233
5101340310342334000421
61001052321142221315
730335361324032450
oct2715607705500657
9441452520886312
10102101021000111
112a59488864a601
12b54ba4142483b
1344c811489a613
141b2da04179127
15bc0d3646560b
hex5cdc3f1681af

102101021000111 has 16 divisors (see below), whose sum is σ = 117567777950784. Its totient is φ = 86855795230464.

The previous prime is 102101021000089. The next prime is 102101021000159. The reversal of 102101021000111 is 111000120101201.

It is a cyclic number.

It is not a de Polignac number, because 102101021000111 - 214 = 102101020983727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102101021000092 and 102101021000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101021000911) 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, 53519510 + ... + 55394403.

It is an arithmetic number, because the mean of its divisors is an integer number (7347986121924).

Almost surely, 2102101021000111 is an apocalyptic number.

102101021000111 is a deficient number, since it is larger than the sum of its proper divisors (15466756950673).

102101021000111 is a wasteful number, since it uses less digits than its factorization.

102101021000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108914930.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102101021000111 its reverse (111000120101201), we get a palindrome (213101141101312).

The spelling of 102101021000111 in words is "one hundred two trillion, one hundred one billion, twenty-one million, one hundred eleven", and thus it is an aban number.

Divisors: 1 7 157 853 1099 5971 133921 937447 108913913 762397391 17099484341 92903567789 119696390387 650324974523 14585860142873 102101021000111