1102232021 has 4 divisors (see below), whose sum is σ = 1202434944. Its totient is φ = 1002029100.

The previous prime is 1102232011. The next prime is 1102232039. The reversal of 1102232021 is 1202322011.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 1102232021 - 2⁶ = 1102231957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1102231987 and 1102232005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102232011) 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, 50101445 + ... + 50101466.

It is an arithmetic number, because the mean of its divisors is an integer number (300608736).

Almost surely, 2^1102232021 is an apocalyptic number.

1102232021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1102232021 is a deficient number, since it is larger than the sum of its proper divisors (100202923).

1102232021 is a wasteful number, since it uses less digits than its factorization.

1102232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100202922.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1102232021 is about 33199.8798341199. The cubic root of 1102232021 is about 1032.9778470459.

Adding to 1102232021 its reverse (1202322011), we get a palindrome (2304554032).

The spelling of 1102232021 in words is "one billion, one hundred two million, two hundred thirty-two thousand, twenty-one".