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1021010200001 = 11687113508821
BaseRepresentation
bin11101101101110001111…
…00110100010111000001
310121121101221211011121122
432312320330310113001
5113212012102400001
62101013504002025
7133523404335311
oct16667074642701
93547357734548
101021010200001
1136400a705150
12145a66300315
137538604224c
14375ba973441
151b85b02ab1b
hexedb8f345c1

1021010200001 has 8 divisors (see below), whose sum is σ = 1113991497408. Its totient is φ = 928055934000.

The previous prime is 1021010199983. The next prime is 1021010200103. The reversal of 1021010200001 is 1000020101201.

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 1021010200001 - 210 = 1021010198977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021010200201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6678830 + ... + 6829991.

It is an arithmetic number, because the mean of its divisors is an integer number (139248937176).

Almost surely, 21021010200001 is an apocalyptic number.

1021010200001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1021010200001 is a deficient number, since it is larger than the sum of its proper divisors (92981297407).

1021010200001 is a wasteful number, since it uses less digits than its factorization.

1021010200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13515703.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1021010200001 its reverse (1000020101201), we get a palindrome (2021030301202).

The spelling of 1021010200001 in words is "one trillion, twenty-one billion, ten million, two hundred thousand, one".

Divisors: 1 11 6871 75581 13508821 148597031 92819109091 1021010200001