11022211100021 has 8 divisors (see below), whose sum is σ = 12031208971104. Its totient is φ = 10014376342320.

The previous prime is 11022211099981. The next prime is 11022211100183. The reversal of 11022211100021 is 12000111222011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11022211100021 is a prime.

It is a super-2 number, since 2×11022211100021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11022211099969 and 11022211100005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022211103021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290758526 + ... + 290796431.

It is an arithmetic number, because the mean of its divisors is an integer number (1503901121388).

Almost surely, 2^{11022211100021} is an apocalyptic number.

11022211100021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11022211100021 is a deficient number, since it is larger than the sum of its proper divisors (1008997871083).

11022211100021 is a wasteful number, since it uses less digits than its factorization.

11022211100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581556691.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11022211100021 its reverse (12000111222011), we get a palindrome (23022322322032).

The spelling of 11022211100021 in words is "eleven trillion, twenty-two billion, two hundred eleven million, one hundred thousand, twenty-one".