101221222 has 8 divisors (see below), whose sum is σ = 152211672. Its totient is φ = 50484000.

The previous prime is 101221201. The next prime is 101221259. The reversal of 101221222 is 222122101.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62304 + ... + 63907.

It is an arithmetic number, because the mean of its divisors is an integer number (19026459).

Almost surely, 2^101221222 is an apocalyptic number.

101221222 is a deficient number, since it is larger than the sum of its proper divisors (50990450).

101221222 is a wasteful number, since it uses less digits than its factorization.

101221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126614.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 101221222 is about 10060.8758068073. The cubic root of 101221222 is about 466.0407137152.

Adding to 101221222 its reverse (222122101), we get a palindrome (323343323).

The spelling of 101221222 in words is "one hundred one million, two hundred twenty-one thousand, two hundred twenty-two".