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122130101101 = 465732622337
BaseRepresentation
bin111000110111110000…
…1010111001101101101
3102200020110022221212211
41301233201113031231
54000110301213401
6132034503530421
711552332505461
oct1615741271555
9380213287784
10122130101101
1147882292658
121b805159a11
13b6945b4218
145ca81ca4a1
15329beb6951
hex1c6f85736d

122130101101 has 4 divisors (see below), whose sum is σ = 122132770012. Its totient is φ = 122127432192.

The previous prime is 122130101033. The next prime is 122130101117. The reversal of 122130101101 is 101101031221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46229300100 + 75900801001 = 215010^2 + 275501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122130101101 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 (122130101701) 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, 1264596 + ... + 1357741.

It is an arithmetic number, because the mean of its divisors is an integer number (30533192503).

Almost surely, 2122130101101 is an apocalyptic number.

It is an amenable number.

122130101101 is a deficient number, since it is larger than the sum of its proper divisors (2668911).

122130101101 is an equidigital number, since it uses as much as digits as its factorization.

122130101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668910.

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

Adding to 122130101101 its reverse (101101031221), we get a palindrome (223231132322).

The spelling of 122130101101 in words is "one hundred twenty-two billion, one hundred thirty million, one hundred one thousand, one hundred one".

Divisors: 1 46573 2622337 122130101101