211421023413 has 32 divisors (see below), whose sum is σ = 304034446080. Its totient is φ = 130208010240.

The previous prime is 211421023343. The next prime is 211421023459. The reversal of 211421023413 is 314320124112.

It is not a de Polignac number, because 211421023413 - 2¹⁷ = 211420892341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211421023313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451848 + ... + 791838.

It is an arithmetic number, because the mean of its divisors is an integer number (9501076440).

Almost surely, 2^211421023413 is an apocalyptic number.

It is an amenable number.

211421023413 is a deficient number, since it is larger than the sum of its proper divisors (92613422667).

211421023413 is a wasteful number, since it uses less digits than its factorization.

211421023413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340237.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 211421023413 its reverse (314320124112), we get a palindrome (525741147525).

The spelling of 211421023413 in words is "two hundred eleven billion, four hundred twenty-one million, twenty-three thousand, four hundred thirteen".