22201101000 has 512 divisors, whose sum is σ = 87272640000. Its totient is φ = 5175705600.

The previous prime is 22201100969. The next prime is 22201101007. The reversal of 22201101000 is 10110222.

It is a super-2 number, since 2×22201101000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (22201101007) 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 127 ways as a sum of consecutive naturals, for example, 6667336 + ... + 6670664.

It is an arithmetic number, because the mean of its divisors is an integer number (170454375).

Almost surely, 2^22201101000 is an apocalyptic number.

22201101000 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 22201101000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43636320000).

22201101000 is an abundant number, since it is smaller than the sum of its proper divisors (65071539000).

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

22201101000 is a wasteful number, since it uses less digits than its factorization.

22201101000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391 (or 3371 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22201101000 its reverse (10110222), we get a palindrome (22211211222).

It can be divided in two parts, 22201 and 101000, that added together give a square (123201 = 351²).

The spelling of 22201101000 in words is "twenty-two billion, two hundred one million, one hundred one thousand".