1130202021 has 8 divisors (see below), whose sum is σ = 1622854240. Its totient is φ = 695508912.

The previous prime is 1130202013. The next prime is 1130202071. The reversal of 1130202021 is 1202020311.

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

It is not a de Polignac number, because 1130202021 - 2³ = 1130202013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130201988 and 1130202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130202001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14489731 + ... + 14489808.

It is an arithmetic number, because the mean of its divisors is an integer number (202856780).

Almost surely, 2^1130202021 is an apocalyptic number.

It is an amenable number.

1130202021 is a deficient number, since it is larger than the sum of its proper divisors (492652219).

1130202021 is a wasteful number, since it uses less digits than its factorization.

1130202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28979555.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1130202021 is about 33618.4773748009. The cubic root of 1130202021 is about 1041.6425047352.

Adding to 1130202021 its reverse (1202020311), we get a palindrome (2332222332).

The spelling of 1130202021 in words is "one billion, one hundred thirty million, two hundred two thousand, twenty-one".