Search a number
-
+
121000111201222 = 21112753494312549
BaseRepresentation
bin11011100000110010001000…
…101001010101101111000110
3120212102111102210110001211021
4123200302020221111233012
5111324431211431414342
61105202403402501354
734325653361140051
oct3340621051255706
9525374383401737
10121000111201222
113561094a341240
12116a277050485a
13526935275b546
1421c4618181a98
15dec755a35567
hex6e0c88a55bc6

121000111201222 has 16 divisors (see below), whose sum is σ = 198000383130000. Its totient is φ = 54999994667040.

The previous prime is 121000111201181. The next prime is 121000111201223. The reversal of 121000111201222 is 222102111000121.

It is a junction number, because it is equal to n+sod(n) for n = 121000111201196 and 121000111201205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000111201223) 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, 25901404 + ... + 30213952.

It is an arithmetic number, because the mean of its divisors is an integer number (12375023945625).

Almost surely, 2121000111201222 is an apocalyptic number.

121000111201222 is a deficient number, since it is larger than the sum of its proper divisors (77000271928778).

121000111201222 is a wasteful number, since it uses less digits than its factorization.

121000111201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5587911.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121000111201222 its reverse (222102111000121), we get a palindrome (343102222201343).

The spelling of 121000111201222 in words is "one hundred twenty-one trillion, one hundred eleven million, two hundred one thousand, two hundred twenty-two".

Divisors: 1 2 11 22 1275349 2550698 4312549 8625098 14028839 28057678 47438039 94876078 5500005054601 11000010109202 60500055600611 121000111201222