1100221301009 has 2 divisors, whose sum is σ = 1100221301010. Its totient is φ = 1100221301008.

The previous prime is 1100221300987. The next prime is 1100221301131. The reversal of 1100221301009 is 9001031220011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 810747172225 + 289474128784 = 900415^2 + 538028^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100221301009 - 2¹² = 1100221296913 is a prime.

It is a super-2 number, since 2×1100221301009² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1100221321009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550110650504 + 550110650505.

It is an arithmetic number, because the mean of its divisors is an integer number (550110650505).

Almost surely, 2^{1100221301009} is an apocalyptic number.

It is an amenable number.

1100221301009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100221301009 is an equidigital number, since it uses as much as digits as its factorization.

1100221301009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 1100221301009 in words is "one trillion, one hundred billion, two hundred twenty-one million, three hundred one thousand, nine".