2021120211201 has 48 divisors (see below), whose sum is σ = 3467178719424. Its totient is φ = 1037272231296.

The previous prime is 2021120211197. The next prime is 2021120211203. The reversal of 2021120211201 is 1021120211202.

It is not a de Polignac number, because 2021120211201 - 2² = 2021120211197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2021120211203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14221515 + ... + 14362928.

It is an arithmetic number, because the mean of its divisors is an integer number (72232889988).

Almost surely, 2^{2021120211201} is an apocalyptic number.

2021120211201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2021120211201 is a deficient number, since it is larger than the sum of its proper divisors (1446058508223).

2021120211201 is a wasteful number, since it uses less digits than its factorization.

2021120211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28584510 (or 28584503 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2021120211201 its reverse (1021120211202), we get a palindrome (3042240422403).

Subtracting from 2021120211201 its reverse (1021120211202), we obtain a palindrome (999999999999).

The spelling of 2021120211201 in words is "two trillion, twenty-one billion, one hundred twenty million, two hundred eleven thousand, two hundred one".