22001020011102 has 96 divisors (see below), whose sum is σ = 48797175030912. Its totient is φ = 6607653624000.

The previous prime is 22001020011071. The next prime is 22001020011107. The reversal of 22001020011102 is 20111002010022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001020011107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74701452 + ... + 74995392.

It is an arithmetic number, because the mean of its divisors is an integer number (508303906572).

Almost surely, 2^{22001020011102} is an apocalyptic number.

22001020011102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22001020011102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24398587515456).

22001020011102 is an abundant number, since it is smaller than the sum of its proper divisors (26796155019810).

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

22001020011102 is a wasteful number, since it uses less digits than its factorization.

22001020011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294886 (or 294875 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22001020011102 its reverse (20111002010022), we get a palindrome (42112022021124).

The spelling of 22001020011102 in words is "twenty-two trillion, one billion, twenty million, eleven thousand, one hundred two".