1000120122222 has 16 divisors (see below), whose sum is σ = 2154104878800. Its totient is φ = 307729268352.

The previous prime is 1000120122193. The next prime is 1000120122229. The reversal of 1000120122222 is 2222210210001.

It is a super-3 number, since 3×1000120122222³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000120122229) 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, 6411026347 + ... + 6411026502.

It is an arithmetic number, because the mean of its divisors is an integer number (134631554925).

Almost surely, 2^{1000120122222} is an apocalyptic number.

1000120122222 is an abundant number, since it is smaller than the sum of its proper divisors (1153984756578).

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

1000120122222 is a wasteful number, since it uses less digits than its factorization.

1000120122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12822052867.

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

Adding to 1000120122222 its reverse (2222210210001), we get a palindrome (3222330332223).

The spelling of 1000120122222 in words is "one trillion, one hundred twenty million, one hundred twenty-two thousand, two hundred twenty-two".