211201111010 has 32 divisors (see below), whose sum is σ = 390040382592. Its totient is φ = 82291662720.

The previous prime is 211201110979. The next prime is 211201111129. The reversal of 211201111010 is 10111102112.

It is a junction number, because it is equal to n+sod(n) for n = 211201110982 and 211201111000.

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 in 15 ways as a sum of consecutive naturals, for example, 136934 + ... + 664193.

It is an arithmetic number, because the mean of its divisors is an integer number (12188761956).

Almost surely, 2^211201111010 is an apocalyptic number.

211201111010 is a deficient number, since it is larger than the sum of its proper divisors (178839271582).

211201111010 is a wasteful number, since it uses less digits than its factorization.

211201111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801818.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 211201111010 its reverse (10111102112), we get a palindrome (221312213122).

The spelling of 211201111010 in words is "two hundred eleven billion, two hundred one million, one hundred eleven thousand, ten".