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1021000202201 = 7213768253239
BaseRepresentation
bin11101101101110000101…
…10101011011111011001
310121121101021000020012202
432312320112223133121
5113212002022432301
62101012505415545
7133523223345230
oct16667026533731
93547337006182
101021000202201
11364004aa6701
12145a62a9a5b5
1375383c516a5
14375b94cdb17
151b85a20366b
hexedb85ab7d9

1021000202201 has 8 divisors (see below), whose sum is σ = 1167403416960. Its totient is φ = 874733498208.

The previous prime is 1021000202153. The next prime is 1021000202219. The reversal of 1021000202201 is 1022020001201.

It is a happy number.

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 1021000202201 - 234 = 1003820333017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021000204201) 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, 34111661 + ... + 34141578.

It is an arithmetic number, because the mean of its divisors is an integer number (145925427120).

Almost surely, 21021000202201 is an apocalyptic number.

It is an amenable number.

1021000202201 is a deficient number, since it is larger than the sum of its proper divisors (146403214759).

1021000202201 is an equidigital number, since it uses as much as digits as its factorization.

1021000202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68255383.

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

Adding to 1021000202201 its reverse (1022020001201), we get a palindrome (2043020203402).

The spelling of 1021000202201 in words is "one trillion, twenty-one billion, two hundred two thousand, two hundred one".

Divisors: 1 7 2137 14959 68253239 477772673 145857171743 1021000202201