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122210121201121 = 140086387239167
BaseRepresentation
bin11011110010011001000010…
…110111001011010111100001
3121000201011200110201212012201
4123302121002313023113201
5112004242312011413441
61111530315444253201
734512250505344222
oct3362310267132741
9530634613655181
10122210121201121
1135a38026452418
12118591823a1201
135326498b251c5
142227003cb3249
15e1de74406c31
hex6f2642dcb5e1

122210121201121 has 4 divisors (see below), whose sum is σ = 122210209841152. Its totient is φ = 122210032561092.

The previous prime is 122210121201089. The next prime is 122210121201127. The reversal of 122210121201121 is 121102121012221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122210121201121 - 25 = 122210121201089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122210121201127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42218721 + ... + 45020446.

It is an arithmetic number, because the mean of its divisors is an integer number (30552552460288).

Almost surely, 2122210121201121 is an apocalyptic number.

It is an amenable number.

122210121201121 is a deficient number, since it is larger than the sum of its proper divisors (88640031).

122210121201121 is an equidigital number, since it uses as much as digits as its factorization.

122210121201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88640030.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122210121201121 its reverse (121102121012221), we get a palindrome (243312242213342).

The spelling of 122210121201121 in words is "one hundred twenty-two trillion, two hundred ten billion, one hundred twenty-one million, two hundred one thousand, one hundred twenty-one".

Divisors: 1 1400863 87239167 122210121201121