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2102202202001 = 11191109291091
BaseRepresentation
bin11110100101110101000…
…000111111011110010001
321102222011002022122102212
4132211311000333132101
5233420302230431001
64245423252521505
7304610346613406
oct36456500773621
97388132278385
102102202202001
117405a237a940
1229b507320295
13123310396805
1473a661a22ad
1539a3a71b7bb
hex1e97503f791

2102202202001 has 4 divisors (see below), whose sum is σ = 2293311493104. Its totient is φ = 1911092910900.

The previous prime is 2102202201977. The next prime is 2102202202019. The reversal of 2102202202001 is 1002022022012.

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 not a de Polignac number, because 2102202202001 - 210 = 2102202200977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102202202031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95554645535 + ... + 95554645556.

It is an arithmetic number, because the mean of its divisors is an integer number (573327873276).

Almost surely, 22102202202001 is an apocalyptic number.

It is an amenable number.

2102202202001 is a deficient number, since it is larger than the sum of its proper divisors (191109291103).

2102202202001 is a wasteful number, since it uses less digits than its factorization.

2102202202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191109291102.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2102202202001 its reverse (1002022022012), we get a palindrome (3104224224013).

The spelling of 2102202202001 in words is "two trillion, one hundred two billion, two hundred two million, two hundred two thousand, one".

Divisors: 1 11 191109291091 2102202202001