2021200100650 has 24 divisors (see below), whose sum is σ = 3767088917664. Its totient is φ = 806833431600.

The previous prime is 2021200100641. The next prime is 2021200100683. The reversal of 2021200100650 is 560010021202.

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, 41140422 + ... + 41189521.

It is an arithmetic number, because the mean of its divisors is an integer number (156962038236).

Almost surely, 2^{2021200100650} is an apocalyptic number.

2021200100650 is a deficient number, since it is larger than the sum of its proper divisors (1745888817014).

2021200100650 is a wasteful number, since it uses less digits than its factorization.

2021200100650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82330446 (or 82330441 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 2021200100650 its reverse (560010021202), we get a palindrome (2581210121852).

The spelling of 2021200100650 in words is "two trillion, twenty-one billion, two hundred million, one hundred thousand, six hundred fifty".