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10020021210101 = 79759272489797
BaseRepresentation
bin1001000111001111011111…
…0011100000101111110101
31022110220102111200002212102
42101303313303200233311
52303132000412210401
633151044553031445
72052631316000240
oct221636763405765
938426374602772
1010020021210101
11321351582a551
121159b449b5585
13578b6504b2c6
14268d86176257
1512599c99d56b
hex91cf7ce0bf5

10020021210101 has 16 divisors (see below), whose sum is σ = 11571465674496. Its totient is φ = 8498609911296.

The previous prime is 10020021210097. The next prime is 10020021210113. The reversal of 10020021210101 is 10101212002001.

It is not a de Polignac number, because 10020021210101 - 22 = 10020021210097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020021210151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2779535 + ... + 5269331.

It is an arithmetic number, because the mean of its divisors is an integer number (723216604656).

Almost surely, 210020021210101 is an apocalyptic number.

It is an amenable number.

10020021210101 is a deficient number, since it is larger than the sum of its proper divisors (1551444464395).

10020021210101 is an equidigital number, since it uses as much as digits as its factorization.

10020021210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495828.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10020021210101 its reverse (10101212002001), we get a palindrome (20121233212102).

The spelling of 10020021210101 in words is "ten trillion, twenty billion, twenty-one million, two hundred ten thousand, one hundred one".

Divisors: 1 7 97 679 5927 41489 574919 2489797 4024433 17428579 241510309 1690572163 14757026819 103299187733 1431431601443 10020021210101