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101212102012101 = 3191998922868907
BaseRepresentation
bin10111000000110101000111…
…011000110010110011000101
3111021100210010102002112220120
4113000311013120302303011
5101231224341103341401
6555132110415252153
730214222145224353
oct2700650730626305
9437323112075816
10101212102012101
112a2818a1aa0063
12b42770021a059
13446234ca61a52
141adc9987107d3
15ba7b5bb7b836
hex5c0d47632cc5

101212102012101 has 16 divisors (see below), whose sum is σ = 142765902528000. Its totient is φ = 63602209561968.

The previous prime is 101212102012093. The next prime is 101212102012111. The reversal of 101212102012101 is 101210201212101.

It is a happy number.

It is not a de Polignac number, because 101212102012101 - 23 = 101212102012093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212102012111) 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, 4461423111 + ... + 4461445796.

It is an arithmetic number, because the mean of its divisors is an integer number (8922868908000).

Almost surely, 2101212102012101 is an apocalyptic number.

It is an amenable number.

101212102012101 is a deficient number, since it is larger than the sum of its proper divisors (41553800515899).

101212102012101 is a wasteful number, since it uses less digits than its factorization.

101212102012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8922869128.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101212102012101 its reverse (101210201212101), we get a palindrome (202422303224202).

The spelling of 101212102012101 in words is "one hundred one trillion, two hundred twelve billion, one hundred two million, twelve thousand, one hundred one".

Divisors: 1 3 19 57 199 597 3781 11343 8922868907 26768606721 169534509233 508603527699 1775650912493 5326952737479 33737367337367 101212102012101