111121210212010 has 32 divisors (see below), whose sum is σ = 200967588138240. Its totient is φ = 44237822128128.

The previous prime is 111121210212007. The next prime is 111121210212017. The reversal of 111121210212010 is 10212012121111.

It is not an unprimeable number, because it can be changed into a prime (111121210212017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17077975 + ... + 22669354.

It is an arithmetic number, because the mean of its divisors is an integer number (6280237129320).

Almost surely, 2^{111121210212010} is an apocalyptic number.

111121210212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111121210212010 is a deficient number, since it is larger than the sum of its proper divisors (89846377926230).

111121210212010 is a wasteful number, since it uses less digits than its factorization.

111121210212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39748662.

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

Adding to 111121210212010 its reverse (10212012121111), we get a palindrome (121333222333121).

The spelling of 111121210212010 in words is "one hundred eleven trillion, one hundred twenty-one billion, two hundred ten million, two hundred twelve thousand, ten".