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2100223001 is a prime number
BaseRepresentation
bin111110100101110…
…1101110000011001
312102100221101100002
41331023231300121
513300124114001
6544223022345
7103021413062
oct17513556031
95370841302
102100223001
11988580698
124a743a9b5
13276168506
1415cd07569
15c45ad46b
hex7d2edc19

2100223001 has 2 divisors, whose sum is σ = 2100223002. Its totient is φ = 2100223000.

The previous prime is 2100222983. The next prime is 2100223033. The reversal of 2100223001 is 1003220012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1964616976 + 135606025 = 44324^2 + 11645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2100223001 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100223201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050111500 + 1050111501.

It is an arithmetic number, because the mean of its divisors is an integer number (1050111501).

Almost surely, 22100223001 is an apocalyptic number.

It is an amenable number.

2100223001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100223001 is an equidigital number, since it uses as much as digits as its factorization.

2100223001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2100223001 is about 45828.1900253545. The cubic root of 2100223001 is about 1280.6244920235.

Adding to 2100223001 its reverse (1003220012), we get a palindrome (3103443013).

The spelling of 2100223001 in words is "two billion, one hundred million, two hundred twenty-three thousand, one".