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1021010202001 = 10162871607923
BaseRepresentation
bin11101101101110001111…
…00110100110110010001
310121121101221211021100201
432312320330310312101
5113212012102431001
62101013504015201
7133523404344166
oct16667074646621
93547357737321
101021010202001
1136400a7066a9
12145a66301501
137538604312a
14375ba97406d
151b85b02b501
hexedb8f34d91

1021010202001 has 8 divisors (see below), whose sum is σ = 1031283863424. Its totient is φ = 1010739769200.

The previous prime is 1021010201929. The next prime is 1021010202049. The reversal of 1021010202001 is 1002020101201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1021010202001 - 213 = 1021010193809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021010202071) 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 7 ways as a sum of consecutive naturals, for example, 168975 + ... + 1438948.

It is an arithmetic number, because the mean of its divisors is an integer number (128910482928).

Almost surely, 21021010202001 is an apocalyptic number.

It is an amenable number.

1021010202001 is a deficient number, since it is larger than the sum of its proper divisors (10273661423).

1021010202001 is a wasteful number, since it uses less digits than its factorization.

1021010202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614311.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1021010202001 its reverse (1002020101201), we get a palindrome (2023030303202).

The spelling of 1021010202001 in words is "one trillion, twenty-one billion, ten million, two hundred two thousand, one".

Divisors: 1 101 6287 634987 1607923 162400223 10109011901 1021010202001