121442202224 has 40 divisors (see below), whose sum is σ = 269074846560. Its totient is φ = 52014313728.

The previous prime is 121442202199. The next prime is 121442202241. The reversal of 121442202224 is 422202244121.

It is a junction number, because it is equal to n+sod(n) for n = 121442202193 and 121442202202.

It is a congruent 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, 155459 + ... + 516770.

It is an arithmetic number, because the mean of its divisors is an integer number (6726871164).

Almost surely, 2^121442202224 is an apocalyptic number.

121442202224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121442202224 is an abundant number, since it is smaller than the sum of its proper divisors (147632644336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121442202224 is a wasteful number, since it uses less digits than its factorization.

121442202224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673857 (or 673851 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 121442202224 its reverse (422202244121), we get a palindrome (543644446345).

The spelling of 121442202224 in words is "one hundred twenty-one billion, four hundred forty-two million, two hundred two thousand, two hundred twenty-four".