103002311221021 has 2 divisors, whose sum is σ = 103002311221022. Its totient is φ = 103002311221020.

The previous prime is 103002311220973. The next prime is 103002311221037. The reversal of 103002311221021 is 120122113200301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100495111325625 + 2507199895396 = 10024725^2 + 1583414^2 .

It is an emirp because it is prime and its reverse (120122113200301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103002311221021 - 2²³ = 103002302832413 is a prime.

It is a super-2 number, since 2×103002311221021² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103002311221021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103002311231021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51501155610510 + 51501155610511.

It is an arithmetic number, because the mean of its divisors is an integer number (51501155610511).

Almost surely, 2^{103002311221021} is an apocalyptic number.

It is an amenable number.

103002311221021 is a deficient number, since it is larger than the sum of its proper divisors (1).

103002311221021 is an equidigital number, since it uses as much as digits as its factorization.

103002311221021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 103002311221021 its reverse (120122113200301), we get a palindrome (223124424421322).

The spelling of 103002311221021 in words is "one hundred three trillion, two billion, three hundred eleven million, two hundred twenty-one thousand, twenty-one".