1021010200100 has 72 divisors (see below), whose sum is σ = 2423038103136. Its totient is φ = 370350400000.

The previous prime is 1021010199983. The next prime is 1021010200103. The reversal of 1021010200100 is 10020101201.

It is not an unprimeable number, because it can be changed into a prime (1021010200103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 716246 + ... + 1598445.

It is an arithmetic number, because the mean of its divisors is an integer number (33653306988).

Almost surely, 2^{1021010200100} is an apocalyptic number.

1021010200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021010200100 is an abundant number, since it is smaller than the sum of its proper divisors (1402027903036).

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

1021010200100 is a wasteful number, since it uses less digits than its factorization.

1021010200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315117 (or 2315110 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1021010200100 its reverse (10020101201), we get a palindrome (1031030301301).

The spelling of 1021010200100 in words is "one trillion, twenty-one billion, ten million, two hundred thousand, one hundred".