121000222101112 has 8 divisors (see below), whose sum is σ = 226875416439600. Its totient is φ = 60500111050552.

The previous prime is 121000222101107. The next prime is 121000222101113. The reversal of 121000222101112 is 211101222000121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000222101113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7562513881312 + ... + 7562513881327.

It is an arithmetic number, because the mean of its divisors is an integer number (28359427054950).

Almost surely, 2^{121000222101112} is an apocalyptic number.

It is an amenable number.

121000222101112 is a deficient number, since it is larger than the sum of its proper divisors (105875194338488).

121000222101112 is a wasteful number, since it uses less digits than its factorization.

121000222101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15125027762645 (or 15125027762641 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121000222101112 its reverse (211101222000121), we get a palindrome (332101444101233).

The spelling of 121000222101112 in words is "one hundred twenty-one trillion, two hundred twenty-two million, one hundred one thousand, one hundred twelve".