1020211020111 has 32 divisors (see below), whose sum is σ = 1394305355520. Its totient is φ = 663184166400.

The previous prime is 1020211020089. The next prime is 1020211020139. The reversal of 1020211020111 is 1110201120201.

It is not a de Polignac number, because 1020211020111 - 2¹⁷ = 1020210889039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020211020181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240556951 + ... + 240561191.

It is an arithmetic number, because the mean of its divisors is an integer number (43572042360).

Almost surely, 2^{1020211020111} is an apocalyptic number.

1020211020111 is a deficient number, since it is larger than the sum of its proper divisors (374094335409).

1020211020111 is a wasteful number, since it uses less digits than its factorization.

1020211020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7047.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1020211020111 its reverse (1110201120201), we get a palindrome (2130412140312).

The spelling of 1020211020111 in words is "one trillion, twenty billion, two hundred eleven million, twenty thousand, one hundred eleven".