11222021212120 has 32 divisors (see below), whose sum is σ = 25249714419600. Its totient is φ = 4488778850688.

The previous prime is 11222021212117. The next prime is 11222021212151. The reversal of 11222021212120 is 2121212022211.

It is a congruent number.

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, 5814307 + ... + 7500013.

Almost surely, 2^{11222021212120} is an apocalyptic number.

11222021212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222021212120 is an abundant number, since it is smaller than the sum of its proper divisors (14027693207480).

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

11222021212120 is a wasteful number, since it uses less digits than its factorization.

11222021212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852147 (or 1852143 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11222021212120 its reverse (2121212022211), we get a palindrome (13343233234331).

The spelling of 11222021212120 in words is "eleven trillion, two hundred twenty-two billion, twenty-one million, two hundred twelve thousand, one hundred twenty".