22002221101020 has 576 divisors, whose sum is σ = 69342029406720. Its totient is φ = 5193494102016.

The previous prime is 22002221100983. The next prime is 22002221101057. The reversal of 22002221101020 is 2010112220022.

It is an interprime number because it is at equal distance from previous prime (22002221100983) and next prime (22002221101057).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8531298091 + ... + 8531300669.

It is an arithmetic number, because the mean of its divisors is an integer number (120385467720).

Almost surely, 2^{22002221101020} is an apocalyptic number.

22002221101020 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 22002221101020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34671014703360).

22002221101020 is an abundant number, since it is smaller than the sum of its proper divisors (47339808305700).

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

22002221101020 is a wasteful number, since it uses less digits than its factorization.

22002221101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914 (or 2889 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22002221101020 its reverse (2010112220022), we get a palindrome (24012333321042).

The spelling of 22002221101020 in words is "twenty-two trillion, two billion, two hundred twenty-one million, one hundred one thousand, twenty".