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12101021012101 = 76128339627663
BaseRepresentation
bin1011000000010111110100…
…0011110001000010000101
31120211211211221221020100011
42300011331003301002011
53041230342334341401
641423044324550221
72356161403314460
oct260057503610205
946754757836304
1012101021012101
11394601798545a
121435313552371
1369a1768b54a8
142db99a49a2d7
1515eb96adc451
hexb017d0f1085

12101021012101 has 8 divisors (see below), whose sum is σ = 14056455321344. Its totient is φ = 10202265958320.

The previous prime is 12101021012077. The next prime is 12101021012137. The reversal of 12101021012101 is 10121012010121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12101021012101 - 27 = 12101021011973 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 (12101021012141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14169813405 + ... + 14169814258.

It is an arithmetic number, because the mean of its divisors is an integer number (1757056915168).

Almost surely, 212101021012101 is an apocalyptic number.

It is an amenable number.

12101021012101 is a deficient number, since it is larger than the sum of its proper divisors (1955434309243).

12101021012101 is an equidigital number, since it uses as much as digits as its factorization.

12101021012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28339627731.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12101021012101 its reverse (10121012010121), we get a palindrome (22222033022222).

The spelling of 12101021012101 in words is "twelve trillion, one hundred one billion, twenty-one million, twelve thousand, one hundred one".

Divisors: 1 7 61 427 28339627663 198377393641 1728717287443 12101021012101