112121102210 has 16 divisors (see below), whose sum is σ = 217342444536. Its totient is φ = 41398560768.

The previous prime is 112121102131. The next prime is 112121102221. The reversal of 112121102210 is 12201121211.

It can be written as a sum of positive squares in 4 ways, for example, as 47824878721 + 64296223489 = 218689^2 + 253567^2 .

It is a super-2 number, since 2×112121102210² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

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, 431234879 + ... + 431235138.

Almost surely, 2^112121102210 is an apocalyptic number.

112121102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112121102210 is a deficient number, since it is larger than the sum of its proper divisors (105221342326).

112121102210 is a wasteful number, since it uses less digits than its factorization.

112121102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862470037.

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

Adding to 112121102210 its reverse (12201121211), we get a palindrome (124322223421).

The spelling of 112121102210 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred two thousand, two hundred ten".