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102101223130201 = 195113352329197
BaseRepresentation
bin10111001101110001001011…
…001000101100010001011001
3111101111210002210100011201001
4113031301023020230101121
5101340311301110131301
61001052353202425001
730335366330101141
oct2715611310542131
9441453083304631
10102101223130201
112a594981757969
12b54ba99062161
1344c814771c319
141b2da22d53921
15bc0d49090c01
hex5cdc4b22c459

102101223130201 has 4 divisors (see below), whose sum is σ = 102101277410532. Its totient is φ = 102101168849872.

The previous prime is 102101223130189. The next prime is 102101223130321. The reversal of 102101223130201 is 102031322101201.

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 98733634790400 + 3367588339801 = 9936480^2 + 1835099^2 .

It is a cyclic number.

It is not a de Polignac number, because 102101223130201 - 225 = 102101189575769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102101223130601) 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, 24213466 + ... + 28115731.

It is an arithmetic number, because the mean of its divisors is an integer number (25525319352633).

Almost surely, 2102101223130201 is an apocalyptic number.

It is an amenable number.

102101223130201 is a deficient number, since it is larger than the sum of its proper divisors (54280331).

102101223130201 is an equidigital number, since it uses as much as digits as its factorization.

102101223130201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54280330.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102101223130201 its reverse (102031322101201), we get a palindrome (204132545231402).

The spelling of 102101223130201 in words is "one hundred two trillion, one hundred one billion, two hundred twenty-three million, one hundred thirty thousand, two hundred one".

Divisors: 1 1951133 52329197 102101223130201