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122121002122211 = 4127110991000101
BaseRepresentation
bin11011110001000110000010…
…111100110111101111100011
3121000101122122121110120122102
4123301012002330313233203
5112001312303020402321
61111421340333201015
734502644163564561
oct3361060274675743
9530348577416572
10122121002122211
1135a03254012394
1211843a5063016b
13531ac65679511
14222298bda6a31
15e1b9aa588c0b
hex6f1182f37be3

122121002122211 has 8 divisors (see below), whose sum is σ = 125561185165248. Its totient is φ = 118702801080000.

The previous prime is 122121002122153. The next prime is 122121002122243. The reversal of 122121002122211 is 112221200121221.

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 122121002122211 - 226 = 122120935013347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122121002122291) 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, 5495488940 + ... + 5495511161.

It is an arithmetic number, because the mean of its divisors is an integer number (15695148145656).

Almost surely, 2122121002122211 is an apocalyptic number.

122121002122211 is a deficient number, since it is larger than the sum of its proper divisors (3440183043037).

122121002122211 is a wasteful number, since it uses less digits than its factorization.

122121002122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10991000413.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122121002122211 its reverse (112221200121221), we get a palindrome (234342202243432).

The spelling of 122121002122211 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two million, one hundred twenty-two thousand, two hundred eleven".

Divisors: 1 41 271 11111 10991000101 450631004141 2978561027371 122121002122211