211366135101074 has 4 divisors (see below), whose sum is σ = 317049202651614. Its totient is φ = 105683067550536.

The previous prime is 211366135101061. The next prime is 211366135101133. The reversal of 211366135101074 is 470101531663112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 136147894707049 + 75218240394025 = 11668243^2 + 8672845^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52841533775267 + ... + 52841533775270.

Almost surely, 2^{211366135101074} is an apocalyptic number.

211366135101074 is a deficient number, since it is larger than the sum of its proper divisors (105683067550540).

211366135101074 is a wasteful number, since it uses less digits than its factorization.

211366135101074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105683067550539.

The product of its (nonzero) digits is 90720, while the sum is 41.

Adding to 211366135101074 its reverse (470101531663112), we get a palindrome (681467666764186).

The spelling of 211366135101074 in words is "two hundred eleven trillion, three hundred sixty-six billion, one hundred thirty-five million, one hundred one thousand, seventy-four".