122121201112 has 32 divisors (see below), whose sum is σ = 229662302400. Its totient is φ = 60878037024.

The previous prime is 122121201101. The next prime is 122121201127. The reversal of 122121201112 is 211102121221.

It is a super-2 number, since 2×122121201112² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11889403 + ... + 11899669.

It is an arithmetic number, because the mean of its divisors is an integer number (7176946950).

Almost surely, 2^122121201112 is an apocalyptic number.

It is an amenable number.

122121201112 is a deficient number, since it is larger than the sum of its proper divisors (107541101288).

122121201112 is a wasteful number, since it uses less digits than its factorization.

122121201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14575 (or 14571 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122121201112 its reverse (211102121221), we get a palindrome (333223322333).

The spelling of 122121201112 in words is "one hundred twenty-two billion, one hundred twenty-one million, two hundred one thousand, one hundred twelve".