211100122211012 has 24 divisors (see below), whose sum is σ = 395459640189600. Its totient is φ = 98299967700096.

The previous prime is 211100122210979. The next prime is 211100122211129. The reversal of 211100122211012 is 210112221001112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23539259813 + ... + 23539268780.

It is an arithmetic number, because the mean of its divisors is an integer number (16477485007900).

Almost surely, 2^{211100122211012} is an apocalyptic number.

It is an amenable number.

211100122211012 is a deficient number, since it is larger than the sum of its proper divisors (184359517978588).

211100122211012 is a wasteful number, since it uses less digits than its factorization.

211100122211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47078528675 (or 47078528673 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211100122211012 its reverse (210112221001112), we get a palindrome (421212343212124).

The spelling of 211100122211012 in words is "two hundred eleven trillion, one hundred billion, one hundred twenty-two million, two hundred eleven thousand, twelve".