1001020210000 has 50 divisors (see below), whose sum is σ = 2423570054642. Its totient is φ = 400408080000.

The previous prime is 1001020209947. The next prime is 1001020210031. The reversal of 1001020210000 is 120201001.

It can be written as a sum of positive squares in 5 ways, for example, as 459830459664 + 541189750336 = 678108^2 + 735656^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 50041011 + ... + 50061010.

Almost surely, 2^{1001020210000} is an apocalyptic number.

1001020210000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001020210000 is an abundant number, since it is smaller than the sum of its proper divisors (1422549844642).

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

1001020210000 is an equidigital number, since it uses as much as digits as its factorization.

1001020210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100102049 (or 100102028 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1001020210000 its reverse (120201001), we get a palindrome (1001140411001).

The spelling of 1001020210000 in words is "one trillion, one billion, twenty million, two hundred ten thousand".