211001210006 has 4 divisors (see below), whose sum is σ = 316501815012. Its totient is φ = 105500605002.

The previous prime is 211001209987. The next prime is 211001210027. The reversal of 211001210006 is 600012100112.

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

It is a super-2 number, since 2×211001210006² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52750302500 + ... + 52750302503.

It is an arithmetic number, because the mean of its divisors is an integer number (79125453753).

Almost surely, 2^211001210006 is an apocalyptic number.

211001210006 is a deficient number, since it is larger than the sum of its proper divisors (105500605006).

211001210006 is a wasteful number, since it uses less digits than its factorization.

211001210006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105500605005.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 211001210006 its reverse (600012100112), we get a palindrome (811013310118).

The spelling of 211001210006 in words is "two hundred eleven billion, one million, two hundred ten thousand, six".