1102244621 has 4 divisors (see below), whose sum is σ = 1103578272. Its totient is φ = 1100910972.

The previous prime is 1102244599. The next prime is 1102244629. The reversal of 1102244621 is 1264422011.

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: 1264422011 = 29 ⋅43600759.

It is a cyclic number.

It is not a de Polignac number, because 1102244621 - 2²⁶ = 1035135757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102244629) 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, 665585 + ... + 667238.

It is an arithmetic number, because the mean of its divisors is an integer number (275894568).

Almost surely, 2^1102244621 is an apocalyptic number.

It is an amenable number.

1102244621 is a deficient number, since it is larger than the sum of its proper divisors (1333651).

1102244621 is an equidigital number, since it uses as much as digits as its factorization.

1102244621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333650.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1102244621 is about 33200.0695933006. The cubic root of 1102244621 is about 1032.9817831414.

Adding to 1102244621 its reverse (1264422011), we get a palindrome (2366666632).

The spelling of 1102244621 in words is "one billion, one hundred two million, two hundred forty-four thousand, six hundred twenty-one".