11012122101021 has 16 divisors (see below), whose sum is σ = 14768528611584. Its totient is φ = 7298569917504.

The previous prime is 11012122100963. The next prime is 11012122101023. The reversal of 11012122101021 is 12010122121011.

It is a happy number.

It is not a de Polignac number, because 11012122101021 - 2¹⁷ = 11012121969949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012122101023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8822655 + ... + 9993171.

It is an arithmetic number, because the mean of its divisors is an integer number (923033038224).

Almost surely, 2^{11012122101021} is an apocalyptic number.

It is an amenable number.

11012122101021 is a deficient number, since it is larger than the sum of its proper divisors (3756406510563).

11012122101021 is a wasteful number, since it uses less digits than its factorization.

11012122101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188820.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11012122101021 its reverse (12010122121011), we get a palindrome (23022244222032).

The spelling of 11012122101021 in words is "eleven trillion, twelve billion, one hundred twenty-two million, one hundred one thousand, twenty-one".