1020120201011 has 2 divisors, whose sum is σ = 1020120201012. Its totient is φ = 1020120201010.

The previous prime is 1020120200987. The next prime is 1020120201013. The reversal of 1020120201011 is 1101020210201.

It is a strong prime.

It is an emirp because it is prime and its reverse (1101020210201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020120201011 - 2¹⁸ = 1020119938867 is a prime.

Together with 1020120201013, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020120200983 and 1020120201001.

It is not a weakly prime, because it can be changed into another prime (1020120201013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510060100505 + 510060100506.

It is an arithmetic number, because the mean of its divisors is an integer number (510060100506).

Almost surely, 2^{1020120201011} is an apocalyptic number.

1020120201011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020120201011 is an equidigital number, since it uses as much as digits as its factorization.

1020120201011 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 11.

Adding to 1020120201011 its reverse (1101020210201), we get a palindrome (2121140411212).

The spelling of 1020120201011 in words is "one trillion, twenty billion, one hundred twenty million, two hundred one thousand, eleven".