121001101443222 has 128 divisors (see below), whose sum is σ = 333707819977728. Its totient is φ = 28227165120000.

The previous prime is 121001101443191. The next prime is 121001101443283. The reversal of 121001101443222 is 222344101100121.

It is a junction number, because it is equal to n+sod(n) for n = 121001101443192 and 121001101443201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 272030529 + ... + 272474972.

It is an arithmetic number, because the mean of its divisors is an integer number (2607092343576).

Almost surely, 2^{121001101443222} is an apocalyptic number.

121001101443222 is an abundant number, since it is smaller than the sum of its proper divisors (212706718534506).

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

121001101443222 is a wasteful number, since it uses less digits than its factorization.

121001101443222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544505574.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 121001101443222 its reverse (222344101100121), we get a palindrome (343345202543343).

The spelling of 121001101443222 in words is "one hundred twenty-one trillion, one billion, one hundred one million, four hundred forty-three thousand, two hundred twenty-two".