221012102000 has 40 divisors (see below), whose sum is σ = 534407267472. Its totient is φ = 88404840000.

The previous prime is 221012101979. The next prime is 221012102023. The reversal of 221012102000 is 201210122.

It is a happy number.

221012102000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55251026 + ... + 55255025.

Almost surely, 2^221012102000 is an apocalyptic number.

221012102000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221012102000 is an abundant number, since it is smaller than the sum of its proper divisors (313395165472).

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

221012102000 is a wasteful number, since it uses less digits than its factorization.

221012102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110506074 (or 110506058 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 221012102000 its reverse (201210122), we get a palindrome (221213312122).

The spelling of 221012102000 in words is "two hundred twenty-one billion, twelve million, one hundred two thousand".