212201022211011 has 48 divisors (see below), whose sum is σ = 310013236952640. Its totient is φ = 139856030265600.

The previous prime is 212201022210973. The next prime is 212201022211051. The reversal of 212201022211011 is 110112220102212.

212201022211011 is a `hidden beast` number, since 21 + 220 + 102 + 221 + 101 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-212201022211011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212201022211051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1732517305 + ... + 1732639781.

It is an arithmetic number, because the mean of its divisors is an integer number (6458609103180).

Almost surely, 2^{212201022211011} is an apocalyptic number.

212201022211011 is a deficient number, since it is larger than the sum of its proper divisors (97812214741629).

212201022211011 is a wasteful number, since it uses less digits than its factorization.

212201022211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125436 (or 125433 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212201022211011 its reverse (110112220102212), we get a palindrome (322313242313223).

The spelling of 212201022211011 in words is "two hundred twelve trillion, two hundred one billion, twenty-two million, two hundred eleven thousand, eleven".