221222200101 has 8 divisors (see below), whose sum is σ = 337100495424. Its totient is φ = 126412685760.

The previous prime is 221222200063. The next prime is 221222200123. The reversal of 221222200101 is 101002222122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221222200101 - 2⁶ = 221222200037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221222200301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5267195220 + ... + 5267195261.

It is an arithmetic number, because the mean of its divisors is an integer number (42137561928).

Almost surely, 2^221222200101 is an apocalyptic number.

221222200101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

221222200101 is a deficient number, since it is larger than the sum of its proper divisors (115878295323).

221222200101 is a wasteful number, since it uses less digits than its factorization.

221222200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10534390491.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 221222200101 its reverse (101002222122), we get a palindrome (322224422223).

The spelling of 221222200101 in words is "two hundred twenty-one billion, two hundred twenty-two million, two hundred thousand, one hundred one".