1021101220003 has 2 divisors, whose sum is σ = 1021101220004. Its totient is φ = 1021101220002.

The previous prime is 1021101219979. The next prime is 1021101220091. The reversal of 1021101220003 is 3000221011201.

It is a weak prime.

It is an emirp because it is prime and its reverse (3000221011201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1021101220003 - 2²⁵ = 1021067665571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021101220103) 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, 510550610001 + 510550610002.

It is an arithmetic number, because the mean of its divisors is an integer number (510550610002).

Almost surely, 2^{1021101220003} is an apocalyptic number.

1021101220003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021101220003 is an equidigital number, since it uses as much as digits as its factorization.

1021101220003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1021101220003 its reverse (3000221011201), we get a palindrome (4021322231204).

The spelling of 1021101220003 in words is "one trillion, twenty-one billion, one hundred one million, two hundred twenty thousand, three".