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21100223211007 is a prime number
BaseRepresentation
bin1001100110000110001110…
…10011110010010111111111
32202201011100211112120022211
410303003013103302113333
510231201224120223012
6112513150403521251
74305304126015243
oct463030723622777
982634324476284
1021100223211007
1167a5610a14836
122449446089227
13ba09863b2115
1452d38322a423
15268cea2286a7
hex1330c74f25ff

21100223211007 has 2 divisors, whose sum is σ = 21100223211008. Its totient is φ = 21100223211006.

The previous prime is 21100223210993. The next prime is 21100223211017. The reversal of 21100223211007 is 70011232200112.

Adding to 21100223211007 its reverse (70011232200112), we get a palindrome (91111455411119).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-21100223211007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21100223211017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10550111605503 + 10550111605504.

It is an arithmetic number, because the mean of its divisors is an integer number (10550111605504).

Almost surely, 221100223211007 is an apocalyptic number.

21100223211007 is a deficient number, since it is larger than the sum of its proper divisors (1).

21100223211007 is an equidigital number, since it uses as much as digits as its factorization.

21100223211007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

The spelling of 21100223211007 in words is "twenty-one trillion, one hundred billion, two hundred twenty-three million, two hundred eleven thousand, seven".