211234214212021 has 32 divisors (see below), whose sum is σ = 284118926450688. Its totient is φ = 151666827330240.

The previous prime is 211234214211971. The next prime is 211234214212039. The reversal of 211234214212021 is 120212412432112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211234214212021 - 2¹⁹ = 211234213687733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211234214210021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186846021 + ... + 187973146.

It is an arithmetic number, because the mean of its divisors is an integer number (8878716451584).

Almost surely, 2^{211234214212021} is an apocalyptic number.

It is an amenable number.

211234214212021 is a deficient number, since it is larger than the sum of its proper divisors (72884712238667).

211234214212021 is a wasteful number, since it uses less digits than its factorization.

211234214212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374819761.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 211234214212021 its reverse (120212412432112), we get a palindrome (331446626644133).

The spelling of 211234214212021 in words is "two hundred eleven trillion, two hundred thirty-four billion, two hundred fourteen million, two hundred twelve thousand, twenty-one".