1020211010011 has 4 divisors (see below), whose sum is σ = 1053121042624. Its totient is φ = 987300977400.

The previous prime is 1020211009997. The next prime is 1020211010057. The reversal of 1020211010011 is 1100101120201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020211010011 - 2¹³ = 1020211001819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020211010011.

It is not an unprimeable number, because it can be changed into a prime (1020211010311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16455016260 + ... + 16455016321.

It is an arithmetic number, because the mean of its divisors is an integer number (263280260656).

Almost surely, 2^{1020211010011} is an apocalyptic number.

1020211010011 is a deficient number, since it is larger than the sum of its proper divisors (32910032613).

1020211010011 is an equidigital number, since it uses as much as digits as its factorization.

1020211010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32910032612.

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

Adding to 1020211010011 its reverse (1100101120201), we get a palindrome (2120312130212).

The spelling of 1020211010011 in words is "one trillion, twenty billion, two hundred eleven million, ten thousand, eleven".