1021222002080 has 192 divisors, whose sum is σ = 2806587947520. Its totient is φ = 343911321600.

The previous prime is 1021222002079. The next prime is 1021222002083. The reversal of 1021222002080 is 802002221201.

It is a happy number.

1021222002080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1021222002083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21367010 + ... + 21414750.

It is an arithmetic number, because the mean of its divisors is an integer number (14617645560).

Almost surely, 2^{1021222002080} is an apocalyptic number.

1021222002080 is a gapful number since it is divisible by the number (10) 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 1021222002080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403293973760).

1021222002080 is an abundant number, since it is smaller than the sum of its proper divisors (1785365945440).

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

1021222002080 is a wasteful number, since it uses less digits than its factorization.

1021222002080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48103 (or 48095 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1021222002080 its reverse (802002221201), we get a palindrome (1823224223281).

The spelling of 1021222002080 in words is "one trillion, twenty-one billion, two hundred twenty-two million, two thousand, eighty".