1101221119 has 8 divisors (see below), whose sum is σ = 1115208000. Its totient is φ = 1087270272.

The previous prime is 1101221113. The next prime is 1101221123. The reversal of 1101221119 is 9111221011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1101221119 - 2³ = 1101221111 is a prime.

It is a super-2 number, since 2×1101221119² = 2425375905863224322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101221096 and 1101221105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101221111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55387 + ... + 72595.

It is an arithmetic number, because the mean of its divisors is an integer number (139401000).

Almost surely, 2^1101221119 is an apocalyptic number.

1101221119 is a deficient number, since it is larger than the sum of its proper divisors (13986881).

1101221119 is an equidigital number, since it uses as much as digits as its factorization.

1101221119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18017.

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

The square root of 1101221119 is about 33184.6518589543. The cubic root of 1101221119 is about 1032.6619550641.

It can be divided in two parts, 11012 and 21119, that added together give a triangular number (32131 = T₂₅₃).

The spelling of 1101221119 in words is "one billion, one hundred one million, two hundred twenty-one thousand, one hundred nineteen".