20021022111022 has 8 divisors (see below), whose sum is σ = 30033332481672. Its totient is φ = 10009911283800.

The previous prime is 20021022111019. The next prime is 20021022111023. The reversal of 20021022111022 is 22011122012002.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20021022110987 and 20021022111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021022111023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299844129 + ... + 299910892.

It is an arithmetic number, because the mean of its divisors is an integer number (3754166560209).

Almost surely, 2^{20021022111022} is an apocalyptic number.

20021022111022 is a deficient number, since it is larger than the sum of its proper divisors (10012310370650).

20021022111022 is a wasteful number, since it uses less digits than its factorization.

20021022111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599771714.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20021022111022 its reverse (22011122012002), we get a palindrome (42032144123024).

The spelling of 20021022111022 in words is "twenty trillion, twenty-one billion, twenty-two million, one hundred eleven thousand, twenty-two".