1102012320961 has 2 divisors, whose sum is σ = 1102012320962. Its totient is φ = 1102012320960.

The previous prime is 1102012320859. The next prime is 1102012321037. The reversal of 1102012320961 is 1690232102011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1075814956225 + 26197364736 = 1037215^2 + 161856^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102012320961 - 2¹⁹ = 1102011796673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102012920961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551006160480 + 551006160481.

It is an arithmetic number, because the mean of its divisors is an integer number (551006160481).

Almost surely, 2^{1102012320961} is an apocalyptic number.

It is an amenable number.

1102012320961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102012320961 is an equidigital number, since it uses as much as digits as its factorization.

1102012320961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

Adding to 1102012320961 its reverse (1690232102011), we get a palindrome (2792244422972).

The spelling of 1102012320961 in words is "one trillion, one hundred two billion, twelve million, three hundred twenty thousand, nine hundred sixty-one".