1102122001021 has 2 divisors, whose sum is σ = 1102122001022. Its totient is φ = 1102122001020.

The previous prime is 1102122000983. The next prime is 1102122001063. The reversal of 1102122001021 is 1201002212011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1095444823225 + 6677177796 = 1046635^2 + 81714^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102122001021 - 2¹⁹ = 1102121476733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102122000992 and 1102122001010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102122001081) 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 as a sum of consecutive naturals, namely, 551061000510 + 551061000511.

It is an arithmetic number, because the mean of its divisors is an integer number (551061000511).

Almost surely, 2^{1102122001021} is an apocalyptic number.

It is an amenable number.

1102122001021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102122001021 is an equidigital number, since it uses as much as digits as its factorization.

1102122001021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1102122001021 its reverse (1201002212011), we get a palindrome (2303124213032).

The spelling of 1102122001021 in words is "one trillion, one hundred two billion, one hundred twenty-two million, one thousand, twenty-one".