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122120221001011 = 274660944462179
BaseRepresentation
bin11011110001000101010100…
…011001001000010100110011
3121000101120122011122111210121
4123301011110121020110303
5112001304203034013021
61111421131031111111
734502615630300362
oct3361052431102463
9530346564574717
10122120221001011
1135a029930a6482
1211843872b12497
13531ab6c8a661c
1422229163537d9
15e1b961be0741
hex6f1154648533

122120221001011 has 4 divisors (see below), whose sum is σ = 122120268209800. Its totient is φ = 122120173792224.

The previous prime is 122120221001003. The next prime is 122120221001021. The reversal of 122120221001011 is 110100122021221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122120221001011 - 23 = 122120221001003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122120221001021) 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, 19484481 + ... + 24977698.

It is an arithmetic number, because the mean of its divisors is an integer number (30530067052450).

Almost surely, 2122120221001011 is an apocalyptic number.

122120221001011 is a deficient number, since it is larger than the sum of its proper divisors (47208789).

122120221001011 is an equidigital number, since it uses as much as digits as its factorization.

122120221001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47208788.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122120221001011 its reverse (110100122021221), we get a palindrome (232220343022232).

The spelling of 122120221001011 in words is "one hundred twenty-two trillion, one hundred twenty billion, two hundred twenty-one million, one thousand, eleven".

Divisors: 1 2746609 44462179 122120221001011