2021200992911 has 2 divisors, whose sum is σ = 2021200992912. Its totient is φ = 2021200992910.

The previous prime is 2021200992791. The next prime is 2021200992917. The reversal of 2021200992911 is 1192990021202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021200992911 - 2¹⁴ = 2021200976527 is a prime.

It is a super-3 number, since 3×2021200992911³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021200992917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010600496455 + 1010600496456.

It is an arithmetic number, because the mean of its divisors is an integer number (1010600496456).

Almost surely, 2^{2021200992911} is an apocalyptic number.

2021200992911 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021200992911 is an equidigital number, since it uses as much as digits as its factorization.

2021200992911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 2021200992911 in words is "two trillion, twenty-one billion, two hundred million, nine hundred ninety-two thousand, nine hundred eleven".