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122212100101 = 7131342990111
BaseRepresentation
bin111000111010001101…
…0001010100000000101
3102200110011121221100211
41301310122022200011
54000242244200401
6132050553235421
711554346465560
oct1616432124005
9380404557324
10122212100101
11479145a9723
121b828702b71
13b6a8594440
145cb50534d7
1532a42b2951
hex1c7468a805

122212100101 has 8 divisors (see below), whose sum is σ = 150414892544. Its totient is φ = 96695287920.

The previous prime is 122212100081. The next prime is 122212100107. The reversal of 122212100101 is 101001212221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122212100101 - 25 = 122212100069 is a prime.

It is a super-2 number, since 2×1222121001012 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212100107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671494965 + ... + 671495146.

It is an arithmetic number, because the mean of its divisors is an integer number (18801861568).

Almost surely, 2122212100101 is an apocalyptic number.

It is an amenable number.

122212100101 is a deficient number, since it is larger than the sum of its proper divisors (28202792443).

122212100101 is a wasteful number, since it uses less digits than its factorization.

122212100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342990131.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122212100101 its reverse (101001212221), we get a palindrome (223213312322).

The spelling of 122212100101 in words is "one hundred twenty-two billion, two hundred twelve million, one hundred thousand, one hundred one".

Divisors: 1 7 13 91 1342990111 9400930777 17458871443 122212100101