1099121411 has 2 divisors, whose sum is σ = 1099121412. Its totient is φ = 1099121410.

The previous prime is 1099121407. The next prime is 1099121449. The reversal of 1099121411 is 1141219901.

It is a weak prime.

It is an emirp because it is prime and its reverse (1141219901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1099121411 - 2² = 1099121407 is a prime.

It is a super-2 number, since 2×1099121411² = 2416135752237261842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1099121311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549560705 + 549560706.

It is an arithmetic number, because the mean of its divisors is an integer number (549560706).

Almost surely, 2^1099121411 is an apocalyptic number.

1099121411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099121411 is an equidigital number, since it uses as much as digits as its factorization.

1099121411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 29.

The square root of 1099121411 is about 33153.0000301632. Note that the first 4 decimals coincide. The cubic root of 1099121411 is about 1032.0052089330.

The spelling of 1099121411 in words is "one billion, ninety-nine million, one hundred twenty-one thousand, four hundred eleven".