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120111101210101 = 288714160268131
BaseRepresentation
bin11011010011110110001011…
…100001010110110111110101
3120202021111202011022021120211
4123103312023201112313311
5111220400013402210401
61103242140025225421
734204512025660531
oct3323661341266765
9522244664267524
10120111101210101
11352a8917385811
121157a404932271
135203574b0c291
1421935a05c8bc1
15dd4573272951
hex6d3d8b856df5

120111101210101 has 4 divisors (see below), whose sum is σ = 120115261507104. Its totient is φ = 120106940913100.

The previous prime is 120111101210099. The next prime is 120111101210183. The reversal of 120111101210101 is 101012101111021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120111101210101 - 21 = 120111101210099 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 (120111101210501) 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, 2080105195 + ... + 2080162936.

It is an arithmetic number, because the mean of its divisors is an integer number (30028815376776).

Almost surely, 2120111101210101 is an apocalyptic number.

It is an amenable number.

120111101210101 is a deficient number, since it is larger than the sum of its proper divisors (4160297003).

120111101210101 is an equidigital number, since it uses as much as digits as its factorization.

120111101210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160297002.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 120111101210101 its reverse (101012101111021), we get a palindrome (221123202321122).

The spelling of 120111101210101 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred one million, two hundred ten thousand, one hundred one".

Divisors: 1 28871 4160268131 120111101210101