1021011100000 has 72 divisors (see below), whose sum is σ = 2512483940736. Its totient is φ = 408404400000.

The previous prime is 1021011099989. The next prime is 1021011100033. The reversal of 1021011100000 is 11101201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5005056 + ... + 5205055.

It is an arithmetic number, because the mean of its divisors is an integer number (34895610288).

Almost surely, 2^{1021011100000} is an apocalyptic number.

1021011100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021011100000 is an abundant number, since it is smaller than the sum of its proper divisors (1491472840736).

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

1021011100000 is an frugal number, since it uses more digits than its factorization.

1021011100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210146 (or 10210118 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1021011100000 its reverse (11101201), we get a palindrome (1021022201201).

The spelling of 1021011100000 in words is "one trillion, twenty-one billion, eleven million, one hundred thousand".