221110101222000 has 80 divisors (see below), whose sum is σ = 712858966359072. Its totient is φ = 58962693657600.

The previous prime is 221110101221987. The next prime is 221110101222001. The reversal of 221110101222000 is 222101011122.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221110101222001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18425835769 + ... + 18425847768.

Almost surely, 2^{221110101222000} is an apocalyptic number.

221110101222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221110101222000 is an abundant number, since it is smaller than the sum of its proper divisors (491748865137072).

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

221110101222000 is a wasteful number, since it uses less digits than its factorization.

221110101222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36851683563 (or 36851683547 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221110101222000 its reverse (222101011122), we get a palindrome (221332202233122).

The spelling of 221110101222000 in words is "two hundred twenty-one trillion, one hundred ten billion, one hundred one million, two hundred twenty-two thousand".