101221422 has 16 divisors (see below), whose sum is σ = 202657872. Its totient is φ = 33704640.

The previous prime is 101221399. The next prime is 101221427. The reversal of 101221422 is 224122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221427) 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, 2479 + ... + 14442.

It is an arithmetic number, because the mean of its divisors is an integer number (12666117).

Almost surely, 2^101221422 is an apocalyptic number.

101221422 is an abundant number, since it is smaller than the sum of its proper divisors (101436450).

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

101221422 is a wasteful number, since it uses less digits than its factorization.

101221422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17923.

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

The square root of 101221422 is about 10060.8857462949. The cubic root of 101221422 is about 466.0410206603.

Adding to 101221422 its reverse (224122101), we get a palindrome (325343523).

The spelling of 101221422 in words is "one hundred one million, two hundred twenty-one thousand, four hundred twenty-two".