20021122000111 has 8 divisors (see below), whose sum is σ = 20307176858304. Its totient is φ = 19735385869440.

The previous prime is 20021122000109. The next prime is 20021122000169. The reversal of 20021122000111 is 11100022112002.

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

It is a cyclic number.

It is not a de Polignac number, because 20021122000111 - 2¹ = 20021122000109 is a prime.

It is a super-2 number, since 2×20021122000111² (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 = 20021122000091 and 20021122000100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021122003111) 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, 79555351 + ... + 79806616.

It is an arithmetic number, because the mean of its divisors is an integer number (2538397107288).

Almost surely, 2^{20021122000111} is an apocalyptic number.

20021122000111 is a deficient number, since it is larger than the sum of its proper divisors (286054858193).

20021122000111 is a wasteful number, since it uses less digits than its factorization.

20021122000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159363761.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20021122000111 its reverse (11100022112002), we get a palindrome (31121144112113).

The spelling of 20021122000111 in words is "twenty trillion, twenty-one billion, one hundred twenty-two million, one hundred eleven", and thus it is an aban number.