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22122242101 is a prime number
BaseRepresentation
bin10100100110100101…
…101010000000110101
32010002201220100010001
4110212211222000311
5330301243221401
614055100231301
71412131645441
oct244645520065
963081810101
1022122242101
119422479a13
12435483b531
1321172825ab
1410dc0c1821
15897228601
hex52696a035

22122242101 has 2 divisors, whose sum is σ = 22122242102. Its totient is φ = 22122242100.

The previous prime is 22122241997. The next prime is 22122242147. The reversal of 22122242101 is 10124222122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14550631876 + 7571610225 = 120626^2 + 87015^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122242101 - 225 = 22088687669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22122242801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061121050 + 11061121051.

It is an arithmetic number, because the mean of its divisors is an integer number (11061121051).

Almost surely, 222122242101 is an apocalyptic number.

It is an amenable number.

22122242101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122242101 is an equidigital number, since it uses as much as digits as its factorization.

22122242101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22122242101 its reverse (10124222122), we get a palindrome (32246464223).

The spelling of 22122242101 in words is "twenty-two billion, one hundred twenty-two million, two hundred forty-two thousand, one hundred one".