20221311100018 has 16 divisors (see below), whose sum is σ = 34665204835584. Its totient is φ = 8666251162560.

The previous prime is 20221311099949. The next prime is 20221311100121. The reversal of 20221311100018 is 81000111312202.

It is a super-2 number, since 2×20221311100018² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3441658 + ... + 7231018.

It is an arithmetic number, because the mean of its divisors is an integer number (2166575302224).

Almost surely, 2^{20221311100018} is an apocalyptic number.

20221311100018 is a deficient number, since it is larger than the sum of its proper divisors (14443893735566).

20221311100018 is a wasteful number, since it uses less digits than its factorization.

20221311100018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170537.

The product of its (nonzero) digits is 192, while the sum is 22.

The spelling of 20221311100018 in words is "twenty trillion, two hundred twenty-one billion, three hundred eleven million, one hundred thousand, eighteen".