121000121012222 has 32 divisors (see below), whose sum is σ = 185240982568320. Its totient is φ = 59257060031520.

The previous prime is 121000121012203. The next prime is 121000121012299. The reversal of 121000121012222 is 222210121000121.

It is a self number, because there is not a number n which added to its sum of digits gives 121000121012222.

It is a congruent number.

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, 451003697 + ... + 451271907.

It is an arithmetic number, because the mean of its divisors is an integer number (5788780705260).

Almost surely, 2^{121000121012222} is an apocalyptic number.

121000121012222 is a deficient number, since it is larger than the sum of its proper divisors (64240861556098).

121000121012222 is a wasteful number, since it uses less digits than its factorization.

121000121012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275528.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121000121012222 its reverse (222210121000121), we get a palindrome (343210242012343).

The spelling of 121000121012222 in words is "one hundred twenty-one trillion, one hundred twenty-one million, twelve thousand, two hundred twenty-two".