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101030122111 = 269337515827
BaseRepresentation
bin101111000010111011…
…1010101001001111111
3100122202221222222010111
41132011313111021333
53123402202401421
6114225042050451
710204422603652
oct1360567251177
9318687888114
10101030122111
1139934963096
12176b6949a27
1396b1065359
144c65bad899
1529648baee1
hex1785dd527f

101030122111 has 4 divisors (see below), whose sum is σ = 101067640632. Its totient is φ = 100992603592.

The previous prime is 101030122087. The next prime is 101030122163. The reversal of 101030122111 is 111221030101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111221030101 = 311357623891.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101030122111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101030122091 and 101030122100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101030122211) 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 in 3 ways as a sum of consecutive naturals, for example, 18755221 + ... + 18760606.

It is an arithmetic number, because the mean of its divisors is an integer number (25266910158).

Almost surely, 2101030122111 is an apocalyptic number.

101030122111 is a deficient number, since it is larger than the sum of its proper divisors (37518521).

101030122111 is an equidigital number, since it uses as much as digits as its factorization.

101030122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37518520.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101030122111 its reverse (111221030101), we get a palindrome (212251152212).

The spelling of 101030122111 in words is "one hundred one billion, thirty million, one hundred twenty-two thousand, one hundred eleven".

Divisors: 1 2693 37515827 101030122111