121112221220132 has 6 divisors (see below), whose sum is σ = 211946387135238. Its totient is φ = 60556110610064.

The previous prime is 121112221220009. The next prime is 121112221220183. The reversal of 121112221220132 is 231022122211121.

It can be written as a sum of positive squares in only one way, i.e., 121052453683456 + 59767536676 = 11002384^2 + 244474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121112221220098 and 121112221220107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15139027652513 + ... + 15139027652520.

It is an arithmetic number, because the mean of its divisors is an integer number (35324397855873).

Almost surely, 2^{121112221220132} is an apocalyptic number.

It is an amenable number.

121112221220132 is a deficient number, since it is larger than the sum of its proper divisors (90834165915106).

121112221220132 is a wasteful number, since it uses less digits than its factorization.

121112221220132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30278055305037 (or 30278055305035 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 121112221220132 its reverse (231022122211121), we get a palindrome (352134343431253).

The spelling of 121112221220132 in words is "one hundred twenty-one trillion, one hundred twelve billion, two hundred twenty-one million, two hundred twenty thousand, one hundred thirty-two".