121002332211222 has 128 divisors (see below), whose sum is σ = 309909182312448. Its totient is φ = 30576336969600.

The previous prime is 121002332211221. The next prime is 121002332211251. The reversal of 121002332211222 is 222112233200121.

It is a junction number, because it is equal to n+sod(n) for n = 121002332211192 and 121002332211201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002332211221) 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 63 ways as a sum of consecutive naturals, for example, 155012233 + ... + 155790875.

It is an arithmetic number, because the mean of its divisors is an integer number (2421165486816).

Almost surely, 2^{121002332211222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121002332211222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154954591156224).

121002332211222 is an abundant number, since it is smaller than the sum of its proper divisors (188906850101226).

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

121002332211222 is a wasteful number, since it uses less digits than its factorization.

121002332211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787794.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121002332211222 its reverse (222112233200121), we get a palindrome (343114565411343).

The spelling of 121002332211222 in words is "one hundred twenty-one trillion, two billion, three hundred thirty-two million, two hundred eleven thousand, two hundred twenty-two".