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102022210202221 is a prime number
BaseRepresentation
bin10111001100100111100101…
…100110010010101001101101
3111101020020011020120112222001
4113030213211212102221231
5101333012441302432341
61000552204545252301
730326601322224421
oct2714474546225155
9441206136515861
10102022210202221
112a564415a44691
12b538707934091
1344c0864c491ba
141b29c8931cb81
15bbdc7259cd31
hex5cc9e5992a6d

102022210202221 has 2 divisors, whose sum is σ = 102022210202222. Its totient is φ = 102022210202220.

The previous prime is 102022210202131. The next prime is 102022210202257. The reversal of 102022210202221 is 122202012220201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59472028899721 + 42550181302500 = 7711811^2 + 6523050^2 .

It is a cyclic number.

It is not a de Polignac number, because 102022210202221 - 213 = 102022210194029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102022210202261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51011105101110 + 51011105101111.

It is an arithmetic number, because the mean of its divisors is an integer number (51011105101111).

Almost surely, 2102022210202221 is an apocalyptic number.

It is an amenable number.

102022210202221 is a deficient number, since it is larger than the sum of its proper divisors (1).

102022210202221 is an equidigital number, since it uses as much as digits as its factorization.

102022210202221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102022210202221 its reverse (122202012220201), we get a palindrome (224224222422422).

The spelling of 102022210202221 in words is "one hundred two trillion, twenty-two billion, two hundred ten million, two hundred two thousand, two hundred twenty-one".