111122122101010 has 8 divisors (see below), whose sum is σ = 200019819781836. Its totient is φ = 44448848840400.

The previous prime is 111122122101007. The next prime is 111122122101017. The reversal of 111122122101010 is 10101221221111.

It can be written as a sum of positive squares in 2 ways, for example, as 109977399714121 + 1144722386889 = 10487011^2 + 1069917^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (111122122101017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5556106105041 + ... + 5556106105060.

Almost surely, 2^{111122122101010} is an apocalyptic number.

111122122101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111122122101010 is a deficient number, since it is larger than the sum of its proper divisors (88897697680826).

111122122101010 is a wasteful number, since it uses less digits than its factorization.

111122122101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112212210108.

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

Adding to 111122122101010 its reverse (10101221221111), we get a palindrome (121223343322121).

The spelling of 111122122101010 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred one thousand, ten".