211221112022000 has 40 divisors (see below), whose sum is σ = 510732648874032. Its totient is φ = 84488444808000.

The previous prime is 211221112021981. The next prime is 211221112022051. The reversal of 211221112022000 is 220211122112.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×211221112022000² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211221112022000.

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, 52805276006 + ... + 52805280005.

Almost surely, 2^{211221112022000} is an apocalyptic number.

211221112022000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211221112022000 is an abundant number, since it is smaller than the sum of its proper divisors (299511536852032).

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

211221112022000 is a wasteful number, since it uses less digits than its factorization.

211221112022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105610556034 (or 105610556018 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211221112022000 its reverse (220211122112), we get a palindrome (211441323144112).

The spelling of 211221112022000 in words is "two hundred eleven trillion, two hundred twenty-one billion, one hundred twelve million, twenty-two thousand".