211022201100000 has 144 divisors (see below), whose sum is σ = 692372283681456. Its totient is φ = 56272586880000.

The previous prime is 211022201099981. The next prime is 211022201100001. The reversal of 211022201100000 is 1102220112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211022201100001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351403669 + ... + 352003668.

It is an arithmetic number, because the mean of its divisors is an integer number (4808140858899).

Almost surely, 2^{211022201100000} is an apocalyptic number.

211022201100000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211022201100000 is an abundant number, since it is smaller than the sum of its proper divisors (481350082581456).

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

211022201100000 is an frugal number, since it uses more digits than its factorization.

211022201100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703407375 (or 703407347 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211022201100000 its reverse (1102220112), we get a palindrome (211023303320112).

The spelling of 211022201100000 in words is "two hundred eleven trillion, twenty-two billion, two hundred one million, one hundred thousand".