22002122111020 has 48 divisors (see below), whose sum is σ = 46759804308000. Its totient is φ = 8695221511680.

The previous prime is 22002122111003. The next prime is 22002122111029. The reversal of 22002122111020 is 2011122120022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22002122110985 and 22002122111003.

It is not an unprimeable number, because it can be changed into a prime (22002122111029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2489295 + ... + 7085254.

It is an arithmetic number, because the mean of its divisors is an integer number (974162589750).

Almost surely, 2^{22002122111020} is an apocalyptic number.

22002122111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002122111020 is an abundant number, since it is smaller than the sum of its proper divisors (24757682196980).

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

22002122111020 is a wasteful number, since it uses less digits than its factorization.

22002122111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9575938 (or 9575936 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22002122111020 its reverse (2011122120022), we get a palindrome (24013244231042).

The spelling of 22002122111020 in words is "twenty-two trillion, two billion, one hundred twenty-two million, one hundred eleven thousand, twenty".