1012020111011 has 32 divisors (see below), whose sum is σ = 1311234408960. Its totient is φ = 758509422336.

The previous prime is 1012020111007. The next prime is 1012020111031. The reversal of 1012020111011 is 1101110202101.

1012020111011 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 1012020111011 - 2² = 1012020111007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012020110983 and 1012020111001.

It is not an unprimeable number, because it can be changed into a prime (1012020111031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29353295 + ... + 29387751.

It is an arithmetic number, because the mean of its divisors is an integer number (40976075280).

Almost surely, 2^{1012020111011} is an apocalyptic number.

1012020111011 is a deficient number, since it is larger than the sum of its proper divisors (299214297949).

1012020111011 is a wasteful number, since it uses less digits than its factorization.

1012020111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51483.

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

Adding to 1012020111011 its reverse (1101110202101), we get a palindrome (2113130313112).

The spelling of 1012020111011 in words is "one trillion, twelve billion, twenty million, one hundred eleven thousand, eleven".