1011020112011 has 16 divisors (see below), whose sum is σ = 1270807609344. Its totient is φ = 782908252704.

The previous prime is 1011020111873. The next prime is 1011020112197. The reversal of 1011020112011 is 1102110201101.

It is a cyclic number.

It is not a de Polignac number, because 1011020112011 - 2¹⁸ = 1011019849867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011020111983 and 1011020112001.

It is not an unprimeable number, because it can be changed into a prime (1011020112211) 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, 118188395 + ... + 118196948.

It is an arithmetic number, because the mean of its divisors is an integer number (79425475584).

Almost surely, 2^{1011020112011} is an apocalyptic number.

1011020112011 is a deficient number, since it is larger than the sum of its proper divisors (259787497333).

1011020112011 is a wasteful number, since it uses less digits than its factorization.

1011020112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236385410.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1011020112011 its reverse (1102110201101), we get a palindrome (2113130313112).

The spelling of 1011020112011 in words is "one trillion, eleven billion, twenty million, one hundred twelve thousand, eleven".