212211011101100 has 54 divisors (see below), whose sum is σ = 506167106755212. Its totient is φ = 77167640396000.

The previous prime is 212211011101091. The next prime is 212211011101139. The reversal of 212211011101100 is 1101110112212.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8769037946 + ... + 8769062145.

Almost surely, 2^{212211011101100} is an apocalyptic number.

212211011101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212211011101100 is an abundant number, since it is smaller than the sum of its proper divisors (293956095654112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212211011101100 is a wasteful number, since it uses less digits than its factorization.

212211011101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17538100127 (or 17538100109 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 212211011101100 its reverse (1101110112212), we get a palindrome (213312121213312).

The spelling of 212211011101100 in words is "two hundred twelve trillion, two hundred eleven billion, eleven million, one hundred one thousand, one hundred".