2021111102000 has 40 divisors (see below), whose sum is σ = 4887046649472. Its totient is φ = 808444440000.

The previous prime is 2021111101991. The next prime is 2021111102081. The reversal of 2021111102000 is 2011111202.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505275776 + ... + 505279775.

Almost surely, 2^{2021111102000} is an apocalyptic number.

2021111102000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021111102000 is an abundant number, since it is smaller than the sum of its proper divisors (2865935547472).

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

2021111102000 is a wasteful number, since it uses less digits than its factorization.

2021111102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010555574 (or 1010555558 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2021111102000 its reverse (2011111202), we get a palindrome (2023122213202).

The spelling of 2021111102000 in words is "two trillion, twenty-one billion, one hundred eleven million, one hundred two thousand".