1012122011011 has 8 divisors (see below), whose sum is σ = 1072783127664. Its totient is φ = 951585841920.

The previous prime is 1012122011009. The next prime is 1012122011027. The reversal of 1012122011011 is 1101102212101.

It is a happy number.

1012122011011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012122011011 - 2¹ = 1012122011009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012122010982 and 1012122011000.

It is not an unprimeable number, because it can be changed into a prime (1012122011911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31220205 + ... + 31252606.

It is an arithmetic number, because the mean of its divisors is an integer number (134097890958).

Almost surely, 2^{1012122011011} is an apocalyptic number.

1012122011011 is a deficient number, since it is larger than the sum of its proper divisors (60661116653).

1012122011011 is an equidigital number, since it uses as much as digits as its factorization.

1012122011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62473781.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1012122011011 its reverse (1101102212101), we get a palindrome (2113224223112).

The spelling of 1012122011011 in words is "one trillion, twelve billion, one hundred twenty-two million, eleven thousand, eleven".