1100213249 has 2 divisors, whose sum is σ = 1100213250. Its totient is φ = 1100213248.

The previous prime is 1100213243. The next prime is 1100213321. The reversal of 1100213249 is 9423120011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 989542849 + 110670400 = 31457^2 + 10520^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100213249 - 2¹² = 1100209153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100213243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550106624 + 550106625.

It is an arithmetic number, because the mean of its divisors is an integer number (550106625).

Almost surely, 2^1100213249 is an apocalyptic number.

It is an amenable number.

1100213249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100213249 is an equidigital number, since it uses as much as digits as its factorization.

1100213249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1100213249 is about 33169.4625973952. The cubic root of 1100213249 is about 1032.3468180257.

The spelling of 1100213249 in words is "one billion, one hundred million, two hundred thirteen thousand, two hundred forty-nine".