1020210012011 has 2 divisors, whose sum is σ = 1020210012012. Its totient is φ = 1020210012010.

The previous prime is 1020210011993. The next prime is 1020210012037. The reversal of 1020210012011 is 1102100120201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020210012011 - 2¹⁴ = 1020209995627 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020210011983 and 1020210012001.

It is not a weakly prime, because it can be changed into another prime (1020210012911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510105006005 + 510105006006.

It is an arithmetic number, because the mean of its divisors is an integer number (510105006006).

Almost surely, 2^{1020210012011} is an apocalyptic number.

1020210012011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020210012011 is an equidigital number, since it uses as much as digits as its factorization.

1020210012011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1020210012011 its reverse (1102100120201), we get a palindrome (2122310132212).

The spelling of 1020210012011 in words is "one trillion, twenty billion, two hundred ten million, twelve thousand, eleven".