1020221325200 has 180 divisors, whose sum is σ = 3079045845120. Its totient is φ = 317990956800.

The previous prime is 1020221325197. The next prime is 1020221325203. The reversal of 1020221325200 is 25231220201.

It is an interprime number because it is at equal distance from previous prime (1020221325197) and next prime (1020221325203).

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 (1020221325203) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1166840 + ... + 1844439.

Almost surely, 2^{1020221325200} is an apocalyptic number.

1020221325200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020221325200 is an abundant number, since it is smaller than the sum of its proper divisors (2058824519920).

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

1020221325200 is a wasteful number, since it uses less digits than its factorization.

1020221325200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011326 (or 3011304 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 1020221325200 its reverse (25231220201), we get a palindrome (1045452545401).

The spelling of 1020221325200 in words is "one trillion, twenty billion, two hundred twenty-one million, three hundred twenty-five thousand, two hundred".