2021232022211 has 4 divisors (see below), whose sum is σ = 2025733653000. Its totient is φ = 2016730391424.

The previous prime is 2021232022177. The next prime is 2021232022223. The reversal of 2021232022211 is 1122202321202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021232022211 is a prime.

It is a super-2 number, since 2×2021232022211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021232012211) 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, 2250814721 + ... + 2250815618.

It is an arithmetic number, because the mean of its divisors is an integer number (506433413250).

Almost surely, 2^{2021232022211} is an apocalyptic number.

2021232022211 is a deficient number, since it is larger than the sum of its proper divisors (4501630789).

2021232022211 is an equidigital number, since it uses as much as digits as its factorization.

2021232022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501630788.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2021232022211 its reverse (1122202321202), we get a palindrome (3143434343413).

The spelling of 2021232022211 in words is "two trillion, twenty-one billion, two hundred thirty-two million, twenty-two thousand, two hundred eleven".