11122021110021 has 8 divisors (see below), whose sum is σ = 14829470300640. Its totient is φ = 7414626329712.

The previous prime is 11122021109999. The next prime is 11122021110023. The reversal of 11122021110021 is 12001112022111.

It is a happy number.

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

It is not a de Polignac number, because 11122021110021 - 2⁵ = 11122021109989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122021110023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13123206 + ... + 13944983.

It is an arithmetic number, because the mean of its divisors is an integer number (1853683787580).

Almost surely, 2^{11122021110021} is an apocalyptic number.

It is an amenable number.

11122021110021 is a deficient number, since it is larger than the sum of its proper divisors (3707449190619).

11122021110021 is a wasteful number, since it uses less digits than its factorization.

11122021110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27205155.

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

Adding to 11122021110021 its reverse (12001112022111), we get a palindrome (23123133132132).

The spelling of 11122021110021 in words is "eleven trillion, one hundred twenty-two billion, twenty-one million, one hundred ten thousand, twenty-one".