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102200010211081 is a prime number
BaseRepresentation
bin10111001111001101001011…
…010011011111111100001001
3111101212020002102122211201101
4113033031023103133330021
5101343421110103223311
61001210011520421401
730345464345323246
oct2717151323377411
9441766072584641
10102200010211081
112a622865462972
12b567068777861
13450455bb63133
141b34714c805cd
15bc36cba8bec1
hex5cf34b4dff09

102200010211081 has 2 divisors, whose sum is σ = 102200010211082. Its totient is φ = 102200010211080.

The previous prime is 102200010211001. The next prime is 102200010211139. The reversal of 102200010211081 is 180112010002201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101886494205456 + 313516005625 = 10093884^2 + 559925^2 .

It is an emirp because it is prime and its reverse (180112010002201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102200010211081 - 215 = 102200010178313 is a prime.

It is a super-3 number, since 3×1022000102110813 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (102200010211001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100005105540 + 51100005105541.

It is an arithmetic number, because the mean of its divisors is an integer number (51100005105541).

Almost surely, 2102200010211081 is an apocalyptic number.

It is an amenable number.

102200010211081 is a deficient number, since it is larger than the sum of its proper divisors (1).

102200010211081 is an equidigital number, since it uses as much as digits as its factorization.

102200010211081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102200010211081 its reverse (180112010002201), we get a palindrome (282312020213282).

The spelling of 102200010211081 in words is "one hundred two trillion, two hundred billion, ten million, two hundred eleven thousand, eighty-one".