1012121011011 has 16 divisors (see below), whose sum is σ = 1472544160128. Its totient is φ = 613253280000.

The previous prime is 1012121010991. The next prime is 1012121011039. The reversal of 1012121011011 is 1101101212101.

1012121011011 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 1012121011011 - 2¹³ = 1012121002819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012121011511) 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, 3700801 + ... + 3964866.

It is an arithmetic number, because the mean of its divisors is an integer number (92034010008).

Almost surely, 2^{1012121011011} is an apocalyptic number.

1012121011011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012121011011 is a deficient number, since it is larger than the sum of its proper divisors (460423149117).

1012121011011 is a wasteful number, since it uses less digits than its factorization.

1012121011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7669682.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1012121011011 its reverse (1101101212101), we get a palindrome (2113222223112).

The spelling of 1012121011011 in words is "one trillion, twelve billion, one hundred twenty-one million, eleven thousand, eleven".