212221001101100 has 18 divisors (see below), whose sum is σ = 460519572389604. Its totient is φ = 84888400440400.

The previous prime is 212221001101099. The next prime is 212221001101183. The reversal of 212221001101100 is 1101100122212.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1061105005406 + ... + 1061105005605.

Almost surely, 2^{212221001101100} is an apocalyptic number.

212221001101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212221001101100 is an abundant number, since it is smaller than the sum of its proper divisors (248298571288504).

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

212221001101100 is a wasteful number, since it uses less digits than its factorization.

212221001101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122210011025 (or 2122210011018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212221001101100 its reverse (1101100122212), we get a palindrome (213322101223312).

The spelling of 212221001101100 in words is "two hundred twelve trillion, two hundred twenty-one billion, one million, one hundred one thousand, one hundred".