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101021112047 is a prime number
BaseRepresentation
bin101111000010101010…
…0111101011011101111
3100122202100001012122102
41132011110331123233
53123342401041142
6114224121005315
710204253166362
oct1360524753357
9318670035572
10101021112047
113992a869759
12176b392383b
1396ac22c25b
144c649060d9
152963bdb532
hex178553d6ef

101021112047 has 2 divisors, whose sum is σ = 101021112048. Its totient is φ = 101021112046.

The previous prime is 101021112013. The next prime is 101021112121. The reversal of 101021112047 is 740211120101.

It is a weak prime.

It is an emirp because it is prime and its reverse (740211120101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101021112047 - 214 = 101021095663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101021115047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510556023 + 50510556024.

It is an arithmetic number, because the mean of its divisors is an integer number (50510556024).

Almost surely, 2101021112047 is an apocalyptic number.

101021112047 is a deficient number, since it is larger than the sum of its proper divisors (1).

101021112047 is an equidigital number, since it uses as much as digits as its factorization.

101021112047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 101021112047 its reverse (740211120101), we get a palindrome (841232232148).

The spelling of 101021112047 in words is "one hundred one billion, twenty-one million, one hundred twelve thousand, forty-seven".