1101211219 has 2 divisors, whose sum is σ = 1101211220. Its totient is φ = 1101211218.

The previous prime is 1101211187. The next prime is 1101211231. The reversal of 1101211219 is 9121121011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101211219 - 2⁵ = 1101211187 is a prime.

It is a super-2 number, since 2×1101211219² = 2425332297702931922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101211196 and 1101211205.

It is not a weakly prime, because it can be changed into another prime (1101211249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550605609 + 550605610.

It is an arithmetic number, because the mean of its divisors is an integer number (550605610).

Almost surely, 2^1101211219 is an apocalyptic number.

1101211219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101211219 is an equidigital number, since it uses as much as digits as its factorization.

1101211219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 19.

The square root of 1101211219 is about 33184.5026932754. The cubic root of 1101211219 is about 1032.6588605043.

The spelling of 1101211219 in words is "one billion, one hundred one million, two hundred eleven thousand, two hundred nineteen".