111121122211010 has 32 divisors (see below), whose sum is σ = 200168305384320. Its totient is φ = 44415062583808.

The previous prime is 111121122211003. The next prime is 111121122211037. The reversal of 111121122211010 is 10112221121111.

It is a self number, because there is not a number n which added to its sum of digits gives 111121122211010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84789179 + ... + 86089761.

It is an arithmetic number, because the mean of its divisors is an integer number (6255259543260).

Almost surely, 2^{111121122211010} is an apocalyptic number.

111121122211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111121122211010 is a deficient number, since it is larger than the sum of its proper divisors (89047183173310).

111121122211010 is a wasteful number, since it uses less digits than its factorization.

111121122211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307002.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111121122211010 its reverse (10112221121111), we get a palindrome (121233343332121).

The spelling of 111121122211010 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred eleven thousand, ten".