1020111110011 has 128 divisors (see below), whose sum is σ = 1333714636800. Its totient is φ = 759930716160.

The previous prime is 1020111110003. The next prime is 1020111110059. The reversal of 1020111110011 is 1100111110201.

It is not a de Polignac number, because 1020111110011 - 2³ = 1020111110003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020111110011.

It is not an unprimeable number, because it can be changed into a prime (1020111110611) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2622393405 + ... + 2622393793.

It is an arithmetic number, because the mean of its divisors is an integer number (10419645600).

Almost surely, 2^{1020111110011} is an apocalyptic number.

1020111110011 is a deficient number, since it is larger than the sum of its proper divisors (313603526789).

1020111110011 is a wasteful number, since it uses less digits than its factorization.

1020111110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1020111110011 its reverse (1100111110201), we get a palindrome (2120222220212).

The spelling of 1020111110011 in words is "one trillion, twenty billion, one hundred eleven million, one hundred ten thousand, eleven".