111222020001010 has 16 divisors (see below), whose sum is σ = 200200039678872. Its totient is φ = 44488718294400.

The previous prime is 111222020000981. The next prime is 111222020001019. The reversal of 111222020001010 is 10100020222111.

It can be written as a sum of positive squares in 4 ways, for example, as 73508554606369 + 37713465394641 = 8573713^2 + 6141129^2 .

It is not an unprimeable number, because it can be changed into a prime (111222020001019) 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, 5885331 + ... + 16033750.

Almost surely, 2^{111222020001010} is an apocalyptic number.

111222020001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111222020001010 is a deficient number, since it is larger than the sum of its proper divisors (88978019677862).

111222020001010 is a wasteful number, since it uses less digits than its factorization.

111222020001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22426509.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111222020001010 its reverse (10100020222111), we get a palindrome (121322040223121).

The spelling of 111222020001010 in words is "one hundred eleven trillion, two hundred twenty-two billion, twenty million, one thousand, ten".