111121101102010 has 16 divisors (see below), whose sum is σ = 200282206544136. Its totient is φ = 44389723871808.

The previous prime is 111121101102007. The next prime is 111121101102017. The reversal of 111121101102010 is 10201101121111.

It can be written as a sum of positive squares in 4 ways, for example, as 63736863030369 + 47384238071641 = 7983537^2 + 6883621^2 .

It is a super-2 number, since 2×111121101102010² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111121101102017) 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, 7339563177 + ... + 7339578316.

Almost surely, 2^{111121101102010} is an apocalyptic number.

111121101102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111121101102010 is a deficient number, since it is larger than the sum of its proper divisors (89161105442126).

111121101102010 is a wasteful number, since it uses less digits than its factorization.

111121101102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14679142257.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111121101102010 its reverse (10201101121111), we get a palindrome (121322202223121).

The spelling of 111121101102010 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred one million, one hundred two thousand, ten".