112100121001210 has 16 divisors (see below), whose sum is σ = 201829039608456. Its totient is φ = 44829199110208.

The previous prime is 112100121001189. The next prime is 112100121001217. The reversal of 112100121001210 is 12100121001211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 74782940130369 + 37317180870841 = 8647713^2 + 6108779^2 .

It is not an unprimeable number, because it can be changed into a prime (112100121001217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1356117889 + ... + 1356200548.

Almost surely, 2^{112100121001210} is an apocalyptic number.

112100121001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112100121001210 is a deficient number, since it is larger than the sum of its proper divisors (89728918607246).

112100121001210 is a wasteful number, since it uses less digits than its factorization.

112100121001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712322577.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112100121001210 its reverse (12100121001211), we get a palindrome (124200242002421).

Subtracting from 112100121001210 its reverse (12100121001211), we obtain a palindrome (99999999999999).

The spelling of 112100121001210 in words is "one hundred twelve trillion, one hundred billion, one hundred twenty-one million, one thousand, two hundred ten".