111222000020010 has 192 divisors, whose sum is σ = 297624205872000. Its totient is φ = 26575718400000.

The previous prime is 111222000020009. The next prime is 111222000020011. The reversal of 111222000020010 is 10020000222111.

It is an interprime number because it is at equal distance from previous prime (111222000020009) and next prime (111222000020011).

It is a super-2 number, since 2×111222000020010² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111222000020011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 397080010 + ... + 397360010.

It is an arithmetic number, because the mean of its divisors is an integer number (1550126072250).

Almost surely, 2^{111222000020010} is an apocalyptic number.

111222000020010 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 111222000020010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148812102936000).

111222000020010 is an abundant number, since it is smaller than the sum of its proper divisors (186402205851990).

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

111222000020010 is a wasteful number, since it uses less digits than its factorization.

111222000020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281605 (or 281594 counting only the distinct ones).

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

Adding to 111222000020010 its reverse (10020000222111), we get a palindrome (121242000242121).

The spelling of 111222000020010 in words is "one hundred eleven trillion, two hundred twenty-two billion, twenty thousand, ten".