2021121120201 has 16 divisors (see below), whose sum is σ = 2696358901824. Its totient is φ = 1346648859584.

The previous prime is 2021121120191. The next prime is 2021121120289. The reversal of 2021121120201 is 1020211211202.

It is a cyclic number.

It is not a de Polignac number, because 2021121120201 - 2¹⁰ = 2021121119177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021121120001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98691775 + ... + 98712251.

It is an arithmetic number, because the mean of its divisors is an integer number (168522431364).

Almost surely, 2^{2021121120201} is an apocalyptic number.

It is an amenable number.

2021121120201 is a deficient number, since it is larger than the sum of its proper divisors (675237781623).

2021121120201 is a wasteful number, since it uses less digits than its factorization.

2021121120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37560.

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

Adding to 2021121120201 its reverse (1020211211202), we get a palindrome (3041332331403).

The spelling of 2021121120201 in words is "two trillion, twenty-one billion, one hundred twenty-one million, one hundred twenty thousand, two hundred one".