Search a number
-
+
122101220202011 = 517123612690041
BaseRepresentation
bin11011110000110011100111…
…110110110101011000011011
3121000022202120222021220122022
4123300303213312311120123
5112001001244332431021
61111404305354045055
734501344030206051
oct3360634766653033
9530282528256568
10122101220202011
11359a59226a4a06
121184004b71978b
1353191322192ab
142221a32a4c1d1
15e1b1eda491ab
hex6f0ce7db561b

122101220202011 has 4 divisors (see below), whose sum is σ = 122124832897224. Its totient is φ = 122077607506800.

The previous prime is 122101220201969. The next prime is 122101220202019. The reversal of 122101220202011 is 110202022101221.

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

It is a cyclic number.

It is not a de Polignac number, because 122101220202011 - 234 = 122084040332827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122101220202019) 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, 11806339850 + ... + 11806350191.

It is an arithmetic number, because the mean of its divisors is an integer number (30531208224306).

Almost surely, 2122101220202011 is an apocalyptic number.

122101220202011 is a deficient number, since it is larger than the sum of its proper divisors (23612695213).

122101220202011 is an equidigital number, since it uses as much as digits as its factorization.

122101220202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23612695212.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122101220202011 its reverse (110202022101221), we get a palindrome (232303242303232).

The spelling of 122101220202011 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred twenty million, two hundred two thousand, eleven".

Divisors: 1 5171 23612690041 122101220202011