112121022122 has 16 divisors (see below), whose sum is σ = 170932870080. Its totient is φ = 55150320768.

The previous prime is 112121022121. The next prime is 112121022191. The reversal of 112121022122 is 221220121211.

It is a super-2 number, since 2×112121022122² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112121022122.

It is not an unprimeable number, because it can be changed into a prime (112121022121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1697972 + ... + 1762767.

It is an arithmetic number, because the mean of its divisors is an integer number (10683304380).

Almost surely, 2^112121022122 is an apocalyptic number.

112121022122 is a deficient number, since it is larger than the sum of its proper divisors (58811847958).

112121022122 is a wasteful number, since it uses less digits than its factorization.

112121022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461005.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112121022122 its reverse (221220121211), we get a palindrome (333341143333).

The spelling of 112121022122 in words is "one hundred twelve billion, one hundred twenty-one million, twenty-two thousand, one hundred twenty-two".