1130123321021 has 8 divisors (see below), whose sum is σ = 1222060763520. Its totient is φ = 1041014723008.

The previous prime is 1130123321011. The next prime is 1130123321069. The reversal of 1130123321021 is 1201233210311.

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 a de Polignac number, because none of the positive numbers 2^k-1130123321021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130123320984 and 1130123321002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130123321011) 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, 707210291 + ... + 707211888.

It is an arithmetic number, because the mean of its divisors is an integer number (152757595440).

Almost surely, 2^{1130123321021} is an apocalyptic number.

It is an amenable number.

1130123321021 is a deficient number, since it is larger than the sum of its proper divisors (91937442499).

1130123321021 is a wasteful number, since it uses less digits than its factorization.

1130123321021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414422243.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1130123321021 its reverse (1201233210311), we get a palindrome (2331356531332).

The spelling of 1130123321021 in words is "one trillion, one hundred thirty billion, one hundred twenty-three million, three hundred twenty-one thousand, twenty-one".