1102214221 has 4 divisors (see below), whose sum is σ = 1102356700. Its totient is φ = 1102071744.

The previous prime is 1102214209. The next prime is 1102214233. The reversal of 1102214221 is 1224122011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1224122011 = 7 ⋅174874573.

It is an interprime number because it is at equal distance from previous prime (1102214209) and next prime (1102214233).

It can be written as a sum of positive squares in 2 ways, for example, as 546904996 + 555309225 = 23386^2 + 23565^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102214221 - 2⁷ = 1102214093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102214195 and 1102214204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102214251) 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, 58926 + ... + 75343.

It is an arithmetic number, because the mean of its divisors is an integer number (275589175).

Almost surely, 2^1102214221 is an apocalyptic number.

It is an amenable number.

1102214221 is a deficient number, since it is larger than the sum of its proper divisors (142479).

1102214221 is an equidigital number, since it uses as much as digits as its factorization.

1102214221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142478.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1102214221 is about 33199.6117597782. The cubic root of 1102214221 is about 1032.9722864790.

Adding to 1102214221 its reverse (1224122011), we get a palindrome (2326336232).

The spelling of 1102214221 in words is "one billion, one hundred two million, two hundred fourteen thousand, two hundred twenty-one".