1102321203161 has 2 divisors, whose sum is σ = 1102321203162. Its totient is φ = 1102321203160.

The previous prime is 1102321203143. The next prime is 1102321203167. The reversal of 1102321203161 is 1613021232011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1054472265625 + 47848937536 = 1026875^2 + 218744^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102321203161 - 2¹⁸ = 1102320941017 is a prime.

It is a super-2 number, since 2×1102321203161² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1102321203167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551160601580 + 551160601581.

It is an arithmetic number, because the mean of its divisors is an integer number (551160601581).

Almost surely, 2^{1102321203161} is an apocalyptic number.

It is an amenable number.

1102321203161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102321203161 is an equidigital number, since it uses as much as digits as its factorization.

1102321203161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1102321203161 its reverse (1613021232011), we get a palindrome (2715342435172).

The spelling of 1102321203161 in words is "one trillion, one hundred two billion, three hundred twenty-one million, two hundred three thousand, one hundred sixty-one".