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202022202122101 is a prime number
BaseRepresentation
bin101101111011110011110101…
…100110000001111101110101
3222111022010121121200120102001
4231323303311212001331311
5202434412432220401401
61553355415103015301
760360423332614534
oct5573636546017565
9874263547616361
10202022202122101
1159409153432079
121a7a930a89a531
1388957c54c33ba
1437c5cd902a31b
1518550db2c3601
hexb7bcf5981f75

202022202122101 has 2 divisors, whose sum is σ = 202022202122102. Its totient is φ = 202022202122100.

The previous prime is 202022202122099. The next prime is 202022202122131. The reversal of 202022202122101 is 101221202220202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128152044821476 + 73870157300625 = 11320426^2 + 8594775^2 .

It is a cyclic number.

It is not a de Polignac number, because 202022202122101 - 21 = 202022202122099 is a prime.

Together with 202022202122099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202022202122131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101011101061050 + 101011101061051.

It is an arithmetic number, because the mean of its divisors is an integer number (101011101061051).

Almost surely, 2202022202122101 is an apocalyptic number.

It is an amenable number.

202022202122101 is a deficient number, since it is larger than the sum of its proper divisors (1).

202022202122101 is an equidigital number, since it uses as much as digits as its factorization.

202022202122101 is an evil number, because the sum of its binary digits is even.

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

Adding to 202022202122101 its reverse (101221202220202), we get a palindrome (303243404342303).

The spelling of 202022202122101 in words is "two hundred two trillion, twenty-two billion, two hundred two million, one hundred twenty-two thousand, one hundred one".