211142010001 has 4 divisors (see below), whose sum is σ = 227383703092. Its totient is φ = 194900316912.

The previous prime is 211142009999. The next prime is 211142010031. The reversal of 211142010001 is 100010241112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 115719710976 + 95422299025 = 340176^2 + 308905^2 .

It is a cyclic number.

It is not a de Polignac number, because 211142010001 - 2¹ = 211142009999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 16241693077 = 211142010001 / (2 + 1 + 1 + 1 + 4 + 2 + 0 + 1 + 0 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (211142010031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8120846526 + ... + 8120846551.

It is an arithmetic number, because the mean of its divisors is an integer number (56845925773).

Almost surely, 2^211142010001 is an apocalyptic number.

It is an amenable number.

211142010001 is a deficient number, since it is larger than the sum of its proper divisors (16241693091).

211142010001 is a wasteful number, since it uses less digits than its factorization.

211142010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16241693090.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211142010001 its reverse (100010241112), we get a palindrome (311152251113).

The spelling of 211142010001 in words is "two hundred eleven billion, one hundred forty-two million, ten thousand, one".