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122044221021 = 359689515373
BaseRepresentation
bin111000110101001100…
…1110000011001011101
3102200000110201210120010
41301222121300121131
53444421310033041
6132022155113433
711550240522312
oct1615231603135
9380013653503
10122044221021
1147838865688
121b7a0442879
13b67c8755c8
145c9aa32d09
1532946a0a16
hex1c6a67065d

122044221021 has 8 divisors (see below), whose sum is σ = 165483689760. Its totient is φ = 79983783152.

The previous prime is 122044221011. The next prime is 122044221043. The reversal of 122044221021 is 120122440221.

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 122044221021 - 217 = 122044089949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122044221011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344757510 + ... + 344757863.

It is an arithmetic number, because the mean of its divisors is an integer number (20685461220).

Almost surely, 2122044221021 is an apocalyptic number.

It is an amenable number.

122044221021 is a deficient number, since it is larger than the sum of its proper divisors (43439468739).

122044221021 is an equidigital number, since it uses as much as digits as its factorization.

122044221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689515435.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 122044221021 its reverse (120122440221), we get a palindrome (242166661242).

The spelling of 122044221021 in words is "one hundred twenty-two billion, forty-four million, two hundred twenty-one thousand, twenty-one".

Divisors: 1 3 59 177 689515373 2068546119 40681407007 122044221021