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2100102120101 = 42124851200731
BaseRepresentation
bin11110100011110111110…
…101110100001010100101
321102202201201122102122202
4132203313311310022211
5233402002120320401
64244435032504245
7304504326325556
oct36436765641245
97382651572582
102100102120101
1173a714996267
1229b01bb4b085
1312306727a5bb
14739072d432d
153996618a06b
hex1e8f7d742a5

2100102120101 has 8 divisors (see below), whose sum is σ = 2105185682208. Its totient is φ = 2095019010000.

The previous prime is 2100102120047. The next prime is 2100102120143. The reversal of 2100102120101 is 1010212010012.

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 2100102120101 - 26 = 2100102120037 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 (2100102125101) 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, 10361906 + ... + 10562636.

It is an arithmetic number, because the mean of its divisors is an integer number (263148210276).

Almost surely, 22100102120101 is an apocalyptic number.

It is an amenable number.

2100102120101 is a deficient number, since it is larger than the sum of its proper divisors (5083562107).

2100102120101 is a wasteful number, since it uses less digits than its factorization.

2100102120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226003.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2100102120101 its reverse (1010212010012), we get a palindrome (3110314130113).

The spelling of 2100102120101 in words is "two trillion, one hundred billion, one hundred two million, one hundred twenty thousand, one hundred one".

Divisors: 1 421 24851 200731 10462271 84507751 4988366081 2100102120101