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102201110011021 = 755688326217641
BaseRepresentation
bin10111001111001110001100…
…110110111001110010001101
3111101212022221002010110121111
4113033032030312321302031
5101343430333130323041
61001210313005132021
730345533531424130
oct2717161466716215
9441768832113544
10102201110011021
112a62327a25093a
12b567314b5a011
1345046a5973a28
141b347bad6a217
15bc37433d3981
hex5cf38cdb9c8d

102201110011021 has 8 divisors (see below), whose sum is σ = 116801482780224. Its totient is φ = 87600790790880.

The previous prime is 102201110011009. The next prime is 102201110011081. The reversal of 102201110011021 is 120110011102201.

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 a de Polignac number, because none of the positive numbers 2k-102201110011021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102201110010992 and 102201110011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201110011081) 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, 9210640 + ... + 17007001.

It is an arithmetic number, because the mean of its divisors is an integer number (14600185347528).

Almost surely, 2102201110011021 is an apocalyptic number.

It is an amenable number.

102201110011021 is a deficient number, since it is larger than the sum of its proper divisors (14600372769203).

102201110011021 is an equidigital number, since it uses as much as digits as its factorization.

102201110011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26774531.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102201110011021 its reverse (120110011102201), we get a palindrome (222311121113222).

The spelling of 102201110011021 in words is "one hundred two trillion, two hundred one billion, one hundred ten million, eleven thousand, twenty-one".

Divisors: 1 7 556883 3898181 26217641 183523487 14600158573003 102201110011021