1021230103291 has 2 divisors, whose sum is σ = 1021230103292. Its totient is φ = 1021230103290.

The previous prime is 1021230103279. The next prime is 1021230103303. The reversal of 1021230103291 is 1923010321201.

It is a balanced prime because it is at equal distance from previous prime (1021230103279) and next prime (1021230103303).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021230103291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021230107291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510615051645 + 510615051646.

It is an arithmetic number, because the mean of its divisors is an integer number (510615051646).

Almost surely, 2^{1021230103291} is an apocalyptic number.

1021230103291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021230103291 is an equidigital number, since it uses as much as digits as its factorization.

1021230103291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 1021230103291 its reverse (1923010321201), we get a palindrome (2944240424492).

The spelling of 1021230103291 in words is "one trillion, twenty-one billion, two hundred thirty million, one hundred three thousand, two hundred ninety-one".