111121010202212 has 48 divisors (see below), whose sum is σ = 199336711577472. Its totient is φ = 54181428337920.

The previous prime is 111121010202187. The next prime is 111121010202217. The reversal of 111121010202212 is 212202010121111.

It is not an unprimeable number, because it can be changed into a prime (111121010202217) 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, 20612537 + ... + 25438527.

It is an arithmetic number, because the mean of its divisors is an integer number (4152848157864).

Almost surely, 2^{111121010202212} is an apocalyptic number.

It is an amenable number.

111121010202212 is a deficient number, since it is larger than the sum of its proper divisors (88215701375260).

111121010202212 is a wasteful number, since it uses less digits than its factorization.

111121010202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826708 (or 4826706 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111121010202212 its reverse (212202010121111), we get a palindrome (323323020323323).

The spelling of 111121010202212 in words is "one hundred eleven trillion, one hundred twenty-one billion, ten million, two hundred two thousand, two hundred twelve".