1020102020011 has 2 divisors, whose sum is σ = 1020102020012. Its totient is φ = 1020102020010.

The previous prime is 1020102019973. The next prime is 1020102020017. The reversal of 1020102020011 is 1100202010201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020102020011 - 2⁷ = 1020102019883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020102020011.

It is not a weakly prime, because it can be changed into another prime (1020102020017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510051010005 + 510051010006.

It is an arithmetic number, because the mean of its divisors is an integer number (510051010006).

Almost surely, 2^{1020102020011} is an apocalyptic number.

1020102020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020102020011 is an equidigital number, since it uses as much as digits as its factorization.

1020102020011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

Subtracting from 1020102020011 its sum of digits (10), we obtain a square (1020102020001 = 1010001²).

Adding to 1020102020011 its reverse (1100202010201), we get a palindrome (2120304030212).

The spelling of 1020102020011 in words is "one trillion, twenty billion, one hundred two million, twenty thousand, eleven".