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122121021122211 = 348742678351411
BaseRepresentation
bin11011110001000110000100…
…000101010110011010100011
3121000101122200221012212202010
4123301012010011112122203
5112001312322401402321
61111421342252324003
734502644514230266
oct3361060405263243
9530348627185663
10122121021122211
1135a0326380a371
1211843a56a73603
13531ac6959c717
142222990710cdd
15e1b9ac08d676
hex6f11841566a3

122121021122211 has 8 divisors (see below), whose sum is σ = 162828081065664. Its totient is φ = 81413987630120.

The previous prime is 122121021122197. The next prime is 122121021122227. The reversal of 122121021122211 is 112221120121221.

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

It is a cyclic number.

It is not a de Polignac number, because 122121021122211 - 221 = 122121019025059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122121021122231) 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, 10447096 + ... + 18798506.

It is an arithmetic number, because the mean of its divisors is an integer number (20353510133208).

Almost surely, 2122121021122211 is an apocalyptic number.

122121021122211 is a deficient number, since it is larger than the sum of its proper divisors (40707059943453).

122121021122211 is an equidigital number, since it uses as much as digits as its factorization.

122121021122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13225681.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 122121021122211 its reverse (112221120121221), we get a palindrome (234342141243432).

The spelling of 122121021122211 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, twenty-one million, one hundred twenty-two thousand, two hundred eleven".

Divisors: 1 3 4874267 8351411 14622801 25054233 40707007040737 122121021122211