1030021231121 has 16 divisors (see below), whose sum is σ = 1056701721600. Its totient is φ = 1003545538560.

The previous prime is 1030021231073. The next prime is 1030021231153. The reversal of 1030021231121 is 1211321200301.

It is a cyclic number.

It is not a de Polignac number, because 1030021231121 - 2²⁶ = 1029954122257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1030021231121.

It is not an unprimeable number, because it can be changed into a prime (1030021221121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15467705 + ... + 15534153.

It is an arithmetic number, because the mean of its divisors is an integer number (66043857600).

Almost surely, 2^{1030021231121} is an apocalyptic number.

It is an amenable number.

1030021231121 is a deficient number, since it is larger than the sum of its proper divisors (26680490479).

1030021231121 is a wasteful number, since it uses less digits than its factorization.

1030021231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67984.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1030021231121 its reverse (1211321200301), we get a palindrome (2241342431422).

The spelling of 1030021231121 in words is "one trillion, thirty billion, twenty-one million, two hundred thirty-one thousand, one hundred twenty-one".