112121222110210 has 32 divisors (see below), whose sum is σ = 204277676164272. Its totient is φ = 44305240961280.

The previous prime is 112121222110193. The next prime is 112121222110213. The reversal of 112121222110210 is 12011222121211.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 74459692774009 + 37661529336201 = 8629003^2 + 6136899^2 .

It is not an unprimeable number, because it can be changed into a prime (112121222110213) 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, 206129521 + ... + 206672740.

Almost surely, 2^{112121222110210} is an apocalyptic number.

112121222110210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112121222110210 is a deficient number, since it is larger than the sum of its proper divisors (92156454054062).

112121222110210 is a wasteful number, since it uses less digits than its factorization.

112121222110210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412802598.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112121222110210 its reverse (12011222121211), we get a palindrome (124132444231421).

The spelling of 112121222110210 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred ten thousand, two hundred ten".