211000131042242 has 16 divisors (see below), whose sum is σ = 320097345449112. Its totient is φ = 104305672396800.

The previous prime is 211000131042193. The next prime is 211000131042293. The reversal of 211000131042242 is 242240131000112.

It can be written as a sum of positive squares in 4 ways, for example, as 207950214589441 + 3049916452801 = 14420479^2 + 1746401^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164035183 + ... + 1164216434.

Almost surely, 2^{211000131042242} is an apocalyptic number.

211000131042242 is a deficient number, since it is larger than the sum of its proper divisors (109097214406870).

211000131042242 is a wasteful number, since it uses less digits than its factorization.

211000131042242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328252133.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 211000131042242 its reverse (242240131000112), we get a palindrome (453240262042354).

The spelling of 211000131042242 in words is "two hundred eleven trillion, one hundred thirty-one million, forty-two thousand, two hundred forty-two".