112121201210 has 16 divisors (see below), whose sum is σ = 201829770792. Its totient is φ = 44845900800.

The previous prime is 112121201191. The next prime is 112121201249. The reversal of 112121201210 is 12102121211.

It can be written as a sum of positive squares in 4 ways, for example, as 104320602169 + 7800599041 = 322987^2 + 88321^2 .

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, 134711 + ... + 492330.

Almost surely, 2^112121201210 is an apocalyptic number.

112121201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112121201210 is a deficient number, since it is larger than the sum of its proper divisors (89708569582).

112121201210 is a wasteful number, since it uses less digits than its factorization.

112121201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644929.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112121201210 its reverse (12102121211), we get a palindrome (124223322421).

The spelling of 112121201210 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred one thousand, two hundred ten".