1002011220113 has 2 divisors, whose sum is σ = 1002011220114. Its totient is φ = 1002011220112.

The previous prime is 1002011220107. The next prime is 1002011220127. The reversal of 1002011220113 is 3110221102001.

It is an a-pointer prime, because the next prime (1002011220127) can be obtained adding 1002011220113 to its sum of digits (14).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 941845017169 + 60166202944 = 970487^2 + 245288^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002011220113 - 2⁸ = 1002011219857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002011220013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501005610056 + 501005610057.

It is an arithmetic number, because the mean of its divisors is an integer number (501005610057).

Almost surely, 2^{1002011220113} is an apocalyptic number.

It is an amenable number.

1002011220113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002011220113 is an equidigital number, since it uses as much as digits as its factorization.

1002011220113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1002011220113 its reverse (3110221102001), we get a palindrome (4112232322114).

The spelling of 1002011220113 in words is "one trillion, two billion, eleven million, two hundred twenty thousand, one hundred thirteen".