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102010112211101 = 1011010001111001
BaseRepresentation
bin10111001100011100010100…
…100000000111100010011101
3111101012001221010001221001212
4113030130110200013202131
5101332313202211223401
61000542444255314205
730325662451053323
oct2714342440074235
9441161833057055
10102010112211101
112a55a277a43916
12b5362b021b965
1344bc6876c5383
141b2945c6b3d13
15bbd7b5422dbb
hex5cc71480789d

102010112211101 has 4 divisors (see below), whose sum is σ = 103020113322204. Its totient is φ = 101000111100000.

The previous prime is 102010112211097. The next prime is 102010112211107. The reversal of 102010112211101 is 101112211010201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76574732988601 + 25435379222500 = 8750699^2 + 5043350^2 .

It is not a de Polignac number, because 102010112211101 - 22 = 102010112211097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010112211107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505000555400 + ... + 505000555601.

It is an arithmetic number, because the mean of its divisors is an integer number (25755028330551).

Almost surely, 2102010112211101 is an apocalyptic number.

It is an amenable number.

102010112211101 is a deficient number, since it is larger than the sum of its proper divisors (1010001111103).

102010112211101 is a wasteful number, since it uses less digits than its factorization.

102010112211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010001111102.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 102010112211101 its reverse (101112211010201), we get a palindrome (203122323221302).

The spelling of 102010112211101 in words is "one hundred two trillion, ten billion, one hundred twelve million, two hundred eleven thousand, one hundred one".

Divisors: 1 101 1010001111001 102010112211101