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102210121012201 = 155653656653717
BaseRepresentation
bin10111001111010110100101…
…111101001001001111101001
3111101220012012001220202101221
4113033112211331021033221
5101344102311434342301
61001214403102142041
730346303036604446
oct2717264575111751
9441805161822357
10102210121012201
112a627083776454
12b56900a881921
1345054b07a64a7
141b34dd3a069cd
15bc3abe534da1
hex5cf5a5f493e9

102210121012201 has 4 divisors (see below), whose sum is σ = 102210777821572. Its totient is φ = 102209464202832.

The previous prime is 102210121012199. The next prime is 102210121012229.

102210121012201 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32195399461801 + 70014721550400 = 5674099^2 + 8367480^2 .

It is a cyclic number.

It is not a de Polignac number, because 102210121012201 - 21 = 102210121012199 is a prime.

It is a super-3 number, since 3×1022101210122013 (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102210121112201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328171206 + ... + 328482511.

It is an arithmetic number, because the mean of its divisors is an integer number (25552694455393).

Almost surely, 2102210121012201 is an apocalyptic number.

It is an amenable number.

102210121012201 is a deficient number, since it is larger than the sum of its proper divisors (656809371).

102210121012201 is an equidigital number, since it uses as much as digits as its factorization.

102210121012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656809370.

The product of its (nonzero) digits is 32, while the sum is 16.

The spelling of 102210121012201 in words is "one hundred two trillion, two hundred ten billion, one hundred twenty-one million, twelve thousand, two hundred one".

Divisors: 1 155653 656653717 102210121012201