121302102222 has 48 divisors (see below), whose sum is σ = 300521674752. Its totient is φ = 34639909200.

The previous prime is 121302102217. The next prime is 121302102247. The reversal of 121302102222 is 222201203121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121302102195 and 121302102204.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 898 + ... + 492549.

It is an arithmetic number, because the mean of its divisors is an integer number (6260868224).

Almost surely, 2^121302102222 is an apocalyptic number.

121302102222 is an abundant number, since it is smaller than the sum of its proper divisors (179219572530).

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

121302102222 is a wasteful number, since it uses less digits than its factorization.

121302102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495413 (or 495410 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 121302102222 its reverse (222201203121), we get a palindrome (343503305343).

The spelling of 121302102222 in words is "one hundred twenty-one billion, three hundred two million, one hundred two thousand, two hundred twenty-two".