101122222110 has 256 divisors, whose sum is σ = 308523091968. Its totient is φ = 20640614400.

The previous prime is 101122222057. The next prime is 101122222111. The reversal of 101122222110 is 11222221101.

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

It is a self number, because there is not a number n which added to its sum of digits gives 101122222110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101122222111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18280045 + ... + 18285575.

It is an arithmetic number, because the mean of its divisors is an integer number (1205168328).

Almost surely, 2^101122222110 is an apocalyptic number.

101122222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101122222110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154261545984).

101122222110 is an abundant number, since it is smaller than the sum of its proper divisors (207400869858).

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

101122222110 is a wasteful number, since it uses less digits than its factorization.

101122222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5779.

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

Adding to 101122222110 its reverse (11222221101), we get a palindrome (112344443211).

The spelling of 101122222110 in words is "one hundred one billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred ten".