111011212012010 has 16 divisors (see below), whose sum is σ = 201798599263272. Its totient is φ = 43964836440000.

The previous prime is 111011212011983. The next prime is 111011212012027. The reversal of 111011212012010 is 10210212110111.

It can be written as a sum of positive squares in 4 ways, for example, as 90878069934001 + 20133142078009 = 9532999^2 + 4486997^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54956044541 + ... + 54956046560.

Almost surely, 2^{111011212012010} is an apocalyptic number.

111011212012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111011212012010 is a deficient number, since it is larger than the sum of its proper divisors (90787387251262).

111011212012010 is a wasteful number, since it uses less digits than its factorization.

111011212012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109912091209.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111011212012010 its reverse (10210212110111), we get a palindrome (121221424122121).

The spelling of 111011212012010 in words is "one hundred eleven trillion, eleven billion, two hundred twelve million, twelve thousand, ten".