1020201000000 has 1568 divisors, whose sum is σ = 4307149867776. Its totient is φ = 207360000000.

The previous prime is 1020200999971. The next prime is 1020201000019. The reversal of 1020201000000 is 1020201.

It is a happy number.

1020201000000 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 (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 10100999950 + ... + 10101000050.

Almost surely, 2^{1020201000000} is an apocalyptic number.

1020201000000 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 1020201000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2153574933888).

1020201000000 is an abundant number, since it is smaller than the sum of its proper divisors (3286948867776).

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

1020201000000 is an equidigital number, since it uses as much as digits as its factorization.

1020201000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 1020201000000 its reverse (1020201), we get a palindrome (1020202020201).

1020201000000 divided by its reverse (1020201) gives a 6-th power (1000000 = 10⁶).

The spelling of 1020201000000 in words is "one trillion, twenty billion, two hundred one million", and thus it is an aban number.