111010121101010 has 8 divisors (see below), whose sum is σ = 199818217981836. Its totient is φ = 44404048440400.

The previous prime is 111010121100929. The next prime is 111010121101021. The reversal of 111010121101010 is 10101121010111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 93083305824961 + 17926815276049 = 9647969^2 + 4234007^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 111010121100982 and 111010121101000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5550506055041 + ... + 5550506055060.

Almost surely, 2^{111010121101010} is an apocalyptic number.

111010121101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111010121101010 is a deficient number, since it is larger than the sum of its proper divisors (88808096880826).

111010121101010 is a wasteful number, since it uses less digits than its factorization.

111010121101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11101012110108.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 111010121101010 its reverse (10101121010111), we get a palindrome (121111242111121).

The spelling of 111010121101010 in words is "one hundred eleven trillion, ten billion, one hundred twenty-one million, one hundred one thousand, ten".