121222233120 has 96 divisors (see below), whose sum is σ = 381940151040. Its totient is φ = 32318300160.

The previous prime is 121222233101. The next prime is 121222233131. The reversal of 121222233120 is 21332222121.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2176176 + ... + 2231184.

It is an arithmetic number, because the mean of its divisors is an integer number (3978543240).

Almost surely, 2^121222233120 is an apocalyptic number.

121222233120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121222233120 is an abundant number, since it is smaller than the sum of its proper divisors (260717917920).

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

121222233120 is a wasteful number, since it uses less digits than its factorization.

121222233120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59618 (or 59610 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121222233120 its reverse (21332222121), we get a palindrome (142554455241).

The spelling of 121222233120 in words is "one hundred twenty-one billion, two hundred twenty-two million, two hundred thirty-three thousand, one hundred twenty".