Search a number
-
+
121201021010222 = 2532840934024759
BaseRepresentation
bin11011100011101101001111…
…110011011100000100101110
3120220010201000112200211122022
4123203231033303130010232
5111341224142334311342
61105434551433150142
734346325200265326
oct3343551763340456
9526121015624568
10121201021010222
11356890787243aa
12117156a085b352
1352822903c9a2a
1421d0237014286
15e02ab3cc29d2
hex6e3b4fcdc12e

121201021010222 has 16 divisors (see below), whose sum is σ = 185232447125280. Its totient is φ = 59456880586272.

The previous prime is 121201021010203. The next prime is 121201021010249. The reversal of 121201021010222 is 222010120102121.

It is a self number, because there is not a number n which added to its sum of digits gives 121201021010222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28101479 + ... + 32126237.

It is an arithmetic number, because the mean of its divisors is an integer number (11577027945330).

Almost surely, 2121201021010222 is an apocalyptic number.

121201021010222 is a deficient number, since it is larger than the sum of its proper divisors (64031426115058).

121201021010222 is a wasteful number, since it uses less digits than its factorization.

121201021010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308907.

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

Adding to 121201021010222 its reverse (222010120102121), we get a palindrome (343211141112343).

The spelling of 121201021010222 in words is "one hundred twenty-one trillion, two hundred one billion, twenty-one million, ten thousand, two hundred twenty-two".

Divisors: 1 2 53 106 284093 568186 4024759 8049518 15056929 30113858 213312227 426624454 1143405858587 2286811717174 60600510505111 121201021010222