1021020112011 has 16 divisors (see below), whose sum is σ = 1364192816000. Its totient is φ = 679263952320.

The previous prime is 1021020111973. The next prime is 1021020112043. The reversal of 1021020112011 is 1102110201201.

1021020112011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1021020112011 - 2¹⁵ = 1021020079243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021020192011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38251476 + ... + 38278158.

It is an arithmetic number, because the mean of its divisors is an integer number (85262051000).

Almost surely, 2^{1021020112011} is an apocalyptic number.

1021020112011 is a deficient number, since it is larger than the sum of its proper divisors (343172703989).

1021020112011 is a wasteful number, since it uses less digits than its factorization.

1021020112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52746.

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

Adding to 1021020112011 its reverse (1102110201201), we get a palindrome (2123130313212).

The spelling of 1021020112011 in words is "one trillion, twenty-one billion, twenty million, one hundred twelve thousand, eleven".