1100421319 has 2 divisors, whose sum is σ = 1100421320. Its totient is φ = 1100421318.

The previous prime is 1100421307. The next prime is 1100421349. The reversal of 1100421319 is 9131240011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100421319 - 2⁷ = 1100421191 is a prime.

It is a super-2 number, since 2×1100421319² = 2421854158619399522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1100421319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100421349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550210659 + 550210660.

It is an arithmetic number, because the mean of its divisors is an integer number (550210660).

Almost surely, 2^1100421319 is an apocalyptic number.

1100421319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100421319 is an equidigital number, since it uses as much as digits as its factorization.

1100421319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1100421319 is about 33172.5989183844. The cubic root of 1100421319 is about 1032.4118923384.

It can be divided in two parts, 11004 and 21319, that added together give a palindrome (32323).

The spelling of 1100421319 in words is "one billion, one hundred million, four hundred twenty-one thousand, three hundred nineteen".