1010021020000 has 120 divisors (see below), whose sum is σ = 2489598192312. Its totient is φ = 403228800000.

The previous prime is 1010021019991. The next prime is 1010021020013. The reversal of 1010021020000 is 201200101.

1010021020000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10371535 + ... + 10468465.

Almost surely, 2^{1010021020000} is an apocalyptic number.

1010021020000 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 1010021020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244799096156).

1010021020000 is an abundant number, since it is smaller than the sum of its proper divisors (1479577172312).

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

1010021020000 is an frugal number, since it uses more digits than its factorization.

1010021020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97482 (or 97459 counting only the distinct ones).

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

Adding to 1010021020000 its reverse (201200101), we get a palindrome (1010222220101).

The spelling of 1010021020000 in words is "one trillion, ten billion, twenty-one million, twenty thousand".