20221111000 has 64 divisors (see below), whose sum is σ = 49807836000. Its totient is φ = 7662729600.

The previous prime is 20221110991. The next prime is 20221111021. The reversal of 20221111000 is 11112202.

It is a super-4 number, since 4×20221111000⁴ (a number of 42 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

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, 513135 + ... + 551134.

Almost surely, 2^20221111000 is an apocalyptic number.

20221111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221111000 is an abundant number, since it is smaller than the sum of its proper divisors (29586725000).

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

20221111000 is a wasteful number, since it uses less digits than its factorization.

20221111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064309 (or 1064295 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20221111000 its reverse (11112202), we get a palindrome (20232223202).

The spelling of 20221111000 in words is "twenty billion, two hundred twenty-one million, one hundred eleven thousand".