211210132042 has 24 divisors (see below), whose sum is σ = 396889371396. Its totient is φ = 83555656128.

The previous prime is 211210132009. The next prime is 211210132093. The reversal of 211210132042 is 240231012112.

It can be written as a sum of positive squares in 2 ways, for example, as 210716803521 + 493328521 = 459039^2 + 22211^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82891243 + ... + 82893790.

Almost surely, 2^211210132042 is an apocalyptic number.

211210132042 is a deficient number, since it is larger than the sum of its proper divisors (185679239354).

211210132042 is a wasteful number, since it uses less digits than its factorization.

211210132042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165785062 (or 165785055 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 211210132042 its reverse (240231012112), we get a palindrome (451441144154).

The spelling of 211210132042 in words is "two hundred eleven billion, two hundred ten million, one hundred thirty-two thousand, forty-two".