22011010000 has 200 divisors, whose sum is σ = 61137229824. Its totient is φ = 7517760000.

The previous prime is 22011009961. The next prime is 22011010019. The reversal of 22011010000 is 1011022.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×22011010000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26809590 + ... + 26810410.

Almost surely, 2^22011010000 is an apocalyptic number.

22011010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22011010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30568614912).

22011010000 is an abundant number, since it is smaller than the sum of its proper divisors (39126219824).

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

22011010000 is an equidigital number, since it uses as much as digits as its factorization.

22011010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 22011010000 its reverse (1011022), we get a palindrome (22012021022).

The spelling of 22011010000 in words is "twenty-two billion, eleven million, ten thousand".