211142420410 has 8 divisors (see below), whose sum is σ = 380056356756. Its totient is φ = 84456968160.

The previous prime is 211142420407. The next prime is 211142420429. The reversal of 211142420410 is 14024241112.

It can be written as a sum of positive squares in 2 ways, for example, as 178530755841 + 32611664569 = 422529^2 + 180587^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×211142420410² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10557121011 + ... + 10557121030.

Almost surely, 2^211142420410 is an apocalyptic number.

211142420410 is a deficient number, since it is larger than the sum of its proper divisors (168913936346).

211142420410 is a wasteful number, since it uses less digits than its factorization.

211142420410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21114242048.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 211142420410 its reverse (14024241112), we get a palindrome (225166661522).

The spelling of 211142420410 in words is "two hundred eleven billion, one hundred forty-two million, four hundred twenty thousand, four hundred ten".