2021211112273 has 2 divisors, whose sum is σ = 2021211112274. Its totient is φ = 2021211112272.

The previous prime is 2021211112267. The next prime is 2021211112367. The reversal of 2021211112273 is 3722111121202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1846359180864 + 174851931409 = 1358808^2 + 418153^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021211112273 - 2¹⁷ = 2021210981201 is a prime.

It is a super-2 number, since 2×2021211112273² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2021211112073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010605556136 + 1010605556137.

It is an arithmetic number, because the mean of its divisors is an integer number (1010605556137).

Almost surely, 2^{2021211112273} is an apocalyptic number.

It is an amenable number.

2021211112273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021211112273 is an equidigital number, since it uses as much as digits as its factorization.

2021211112273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 2021211112273 its reverse (3722111121202), we get a palindrome (5743322233475).

The spelling of 2021211112273 in words is "two trillion, twenty-one billion, two hundred eleven million, one hundred twelve thousand, two hundred seventy-three".