1141002021 has 8 divisors (see below), whose sum is σ = 1542763584. Its totient is φ = 749954240.

The previous prime is 1141002017. The next prime is 1141002043. The reversal of 1141002021 is 1202001411.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1141002021 - 2² = 1141002017 is a prime.

It is a super-2 number, since 2×1141002021² = 2603771223852168882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1141001988 and 1141002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141002061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2678196 + ... + 2678621.

It is an arithmetic number, because the mean of its divisors is an integer number (192845448).

Almost surely, 2^1141002021 is an apocalyptic number.

It is an amenable number.

1141002021 is a deficient number, since it is larger than the sum of its proper divisors (401761563).

1141002021 is an equidigital number, since it uses as much as digits as its factorization.

1141002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356891.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1141002021 is about 33778.7214234050. The cubic root of 1141002021 is about 1044.9499059494.

Adding to 1141002021 its reverse (1202001411), we get a palindrome (2343003432).

The spelling of 1141002021 in words is "one billion, one hundred forty-one million, two thousand, twenty-one".