101221122 has 24 divisors (see below), whose sum is σ = 208078416. Its totient is φ = 32825808.

The previous prime is 101221103. The next prime is 101221147. The reversal of 101221122 is 221122101.

It is a junction number, because it is equal to n+sod(n) for n = 101221098 and 101221107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2053 + ... + 14375.

It is an arithmetic number, because the mean of its divisors is an integer number (8669934).

Almost surely, 2^101221122 is an apocalyptic number.

101221122 is an abundant number, since it is smaller than the sum of its proper divisors (106857294).

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

101221122 is a wasteful number, since it uses less digits than its factorization.

101221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12402 (or 12365 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 101221122 is about 10060.8708370598. The cubic root of 101221122 is about 466.0405602425.

Adding to 101221122 its reverse (221122101), we get a palindrome (322343223).

It can be divided in two parts, 101 and 221122, that multiplied together give a palindrome (22333322).

The spelling of 101221122 in words is "one hundred one million, two hundred twenty-one thousand, one hundred twenty-two".