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102220100201201 = 284819335889457
BaseRepresentation
bin10111001111011111111000…
…110000101110101011110001
3111101221010221112112002012112
4113033133320300232223301
5101344233231122414301
61001223133222535105
730350105242402103
oct2717377060565361
9441833845462175
10102220100201201
112a630334766894
12b56ab34897495
134506411088358
141b3569d0ad573
15bc3ea56819bb
hex5cf7f8c2eaf1

102220100201201 has 4 divisors (see below), whose sum is σ = 102220138938852. Its totient is φ = 102220061463552.

The previous prime is 102220100201173. The next prime is 102220100201227. The reversal of 102220100201201 is 102102001022201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24248533518400 + 77971566682801 = 4924280^2 + 8830151^2 .

It is a cyclic number.

It is not a de Polignac number, because 102220100201201 - 210 = 102220100200177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102220100501201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15096536 + ... + 20792921.

It is an arithmetic number, because the mean of its divisors is an integer number (25555034734713).

Almost surely, 2102220100201201 is an apocalyptic number.

It is an amenable number.

102220100201201 is a deficient number, since it is larger than the sum of its proper divisors (38737651).

102220100201201 is an equidigital number, since it uses as much as digits as its factorization.

102220100201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38737650.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102220100201201 its reverse (102102001022201), we get a palindrome (204322101223402).

The spelling of 102220100201201 in words is "one hundred two trillion, two hundred twenty billion, one hundred million, two hundred one thousand, two hundred one".

Divisors: 1 2848193 35889457 102220100201201