1101221093 has 4 divisors (see below), whose sum is σ = 1258538400. Its totient is φ = 943903788.

The previous prime is 1101221039. The next prime is 1101221111. The reversal of 1101221093 is 3901221011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3901221011 = 9161 ⋅425851.

It is a cyclic number.

It is not a de Polignac number, because 1101221093 - 2²⁰ = 1100172517 is a prime.

It is a super-2 number, since 2×1101221093² = 2425375791336229298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101221003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78658643 + ... + 78658656.

It is an arithmetic number, because the mean of its divisors is an integer number (314634600).

Almost surely, 2^1101221093 is an apocalyptic number.

It is an amenable number.

1101221093 is a deficient number, since it is larger than the sum of its proper divisors (157317307).

1101221093 is an equidigital number, since it uses as much as digits as its factorization.

1101221093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157317306.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1101221093 is about 33184.6514672069. The cubic root of 1101221093 is about 1032.6619469370.

The spelling of 1101221093 in words is "one billion, one hundred one million, two hundred twenty-one thousand, ninety-three".