Search a number
-
+
121222101011110 = 25115521199604981
BaseRepresentation
bin11011100100000000111000…
…010001010000101010100110
3120220012201102122102211120221
4123210000320101100222212
5111342100330324323420
61105452355302514554
734351002445322011
oct3344007021205246
9526181378384527
10121222101011110
1135697005849040
12117197a4435a5a
13528426c772438
1421d1276910378
15e033e9773caa
hex6e4038450aa6

121222101011110 has 32 divisors (see below), whose sum is σ = 238079241490464. Its totient is φ = 44072779584000.

The previous prime is 121222101011101. The next prime is 121222101011113. The reversal of 121222101011110 is 11110101222121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222101011113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99195181 + ... + 100409800.

It is an arithmetic number, because the mean of its divisors is an integer number (7439976296577).

Almost surely, 2121222101011110 is an apocalyptic number.

121222101011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121222101011110 is a deficient number, since it is larger than the sum of its proper divisors (116857140479354).

121222101011110 is a wasteful number, since it uses less digits than its factorization.

121222101011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199610520.

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

Adding to 121222101011110 its reverse (11110101222121), we get a palindrome (132332202233231).

The spelling of 121222101011110 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred one million, eleven thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 55 110 5521 11042 27605 55210 60731 121462 303655 607310 199604981 399209962 998024905 1996049810 2195654791 4391309582 10978273955 21956547910 1102019100101 2204038200202 5510095500505 11020191001010 12122210101111 24244420202222 60611050505555 121222101011110