1022122120110 has 256 divisors, whose sum is σ = 3033125222400. Its totient is φ = 214664085504.

The previous prime is 1022122120099. The next prime is 1022122120111. The reversal of 1022122120110 is 110212212201.

It is a super-2 number, since 2×1022122120110² (a number of 25 digits) contains 22 as substring.

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 1022122120110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022122120111) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 725423086 + ... + 725424494.

It is an arithmetic number, because the mean of its divisors is an integer number (11848145400).

Almost surely, 2^{1022122120110} is an apocalyptic number.

1022122120110 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 1022122120110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516562611200).

1022122120110 is an abundant number, since it is smaller than the sum of its proper divisors (2011003102290).

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

1022122120110 is a wasteful number, since it uses less digits than its factorization.

1022122120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475.

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

Adding to 1022122120110 its reverse (110212212201), we get a palindrome (1132334332311).

The spelling of 1022122120110 in words is "one trillion, twenty-two billion, one hundred twenty-two million, one hundred twenty thousand, one hundred ten".