20221111011018 has 32 divisors (see below), whose sum is σ = 41128046784000. Its totient is φ = 6626068228976.

The previous prime is 20221111010927. The next prime is 20221111011019. The reversal of 20221111011018 is 81011011112202.

It is a junction number, because it is equal to n+sod(n) for n = 20221111010985 and 20221111011003.

It is not an unprimeable number, because it can be changed into a prime (20221111011019) 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 15 ways as a sum of consecutive naturals, for example, 60502933 + ... + 60836231.

It is an arithmetic number, because the mean of its divisors is an integer number (1285251462000).

Almost surely, 2^{20221111011018} is an apocalyptic number.

20221111011018 is an abundant number, since it is smaller than the sum of its proper divisors (20906935772982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20221111011018 is a wasteful number, since it uses less digits than its factorization.

20221111011018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504746.

The product of its (nonzero) digits is 64, while the sum is 21.

The spelling of 20221111011018 in words is "twenty trillion, two hundred twenty-one billion, one hundred eleven million, eleven thousand, eighteen".