1021201001011 has 2 divisors, whose sum is σ = 1021201001012. Its totient is φ = 1021201001010.

The previous prime is 1021201000991. The next prime is 1021201001017. The reversal of 1021201001011 is 1101001021201.

1021201001011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021201001011 - 2²⁷ = 1021066783283 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021201001017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510600500505 + 510600500506.

It is an arithmetic number, because the mean of its divisors is an integer number (510600500506).

Almost surely, 2^{1021201001011} is an apocalyptic number.

1021201001011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021201001011 is an equidigital number, since it uses as much as digits as its factorization.

1021201001011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1021201001011 its reverse (1101001021201), we get a palindrome (2122202022212).

The spelling of 1021201001011 in words is "one trillion, twenty-one billion, two hundred one million, one thousand, eleven".