2021001201101 has 4 divisors (see below), whose sum is σ = 2021189685312. Its totient is φ = 2020812716892.

The previous prime is 2021001201041. The next prime is 2021001201157. The reversal of 2021001201101 is 1011021001202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2021001201101 - 2³⁴ = 2003821331917 is a prime.

It is a super-2 number, since 2×2021001201101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021001201161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94226021 + ... + 94247466.

It is an arithmetic number, because the mean of its divisors is an integer number (505297421328).

Almost surely, 2^{2021001201101} is an apocalyptic number.

It is an amenable number.

2021001201101 is a deficient number, since it is larger than the sum of its proper divisors (188484211).

2021001201101 is a wasteful number, since it uses less digits than its factorization.

2021001201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188484210.

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

Adding to 2021001201101 its reverse (1011021001202), we get a palindrome (3032022202303).

The spelling of 2021001201101 in words is "two trillion, twenty-one billion, one million, two hundred one thousand, one hundred one".