1023130112021 has 2 divisors, whose sum is σ = 1023130112022. Its totient is φ = 1023130112020.

The previous prime is 1023130111973. The next prime is 1023130112243. The reversal of 1023130112021 is 1202110313201.

1023130112021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 935224384900 + 87905727121 = 967070^2 + 296489^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023130112021 - 2¹⁰ = 1023130110997 is a prime.

It is a super-2 number, since 2×1023130112021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023130112821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511565056010 + 511565056011.

It is an arithmetic number, because the mean of its divisors is an integer number (511565056011).

Almost surely, 2^{1023130112021} is an apocalyptic number.

It is an amenable number.

1023130112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023130112021 is an equidigital number, since it uses as much as digits as its factorization.

1023130112021 is an evil number, because the sum of its binary digits is even.

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

Adding to 1023130112021 its reverse (1202110313201), we get a palindrome (2225240425222).

The spelling of 1023130112021 in words is "one trillion, twenty-three billion, one hundred thirty million, one hundred twelve thousand, twenty-one".