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220210120001 = 443497088307
BaseRepresentation
bin1100110100010110001…
…0111100010101000001
3210001101211012011012102
43031011202330111001
512101442242320001
6245055123040145
721624004064444
oct3150542742501
9701354164172
10220210120001
1185432965513
1236817b10055
13179c53b5471
14a93026165b
155adc897e6b
hex33458bc541

220210120001 has 4 divisors (see below), whose sum is σ = 220707208752. Its totient is φ = 219713031252.

The previous prime is 220210119971. The next prime is 220210120063. The reversal of 220210120001 is 100021012022.

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 a de Polignac number, because none of the positive numbers 2k-220210120001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220210120201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248543711 + ... + 248544596.

It is an arithmetic number, because the mean of its divisors is an integer number (55176802188).

Almost surely, 2220210120001 is an apocalyptic number.

It is an amenable number.

220210120001 is a deficient number, since it is larger than the sum of its proper divisors (497088751).

220210120001 is an equidigital number, since it uses as much as digits as its factorization.

220210120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497088750.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220210120001 its reverse (100021012022), we get a palindrome (320231132023).

The spelling of 220210120001 in words is "two hundred twenty billion, two hundred ten million, one hundred twenty thousand, one".

Divisors: 1 443 497088307 220210120001