121220333214 has 32 divisors (see below), whose sum is σ = 249124964256. Its totient is φ = 39293884800.

The previous prime is 121220333189. The next prime is 121220333243. The reversal of 121220333214 is 412333022121.

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, 278404 + ... + 565640.

It is an arithmetic number, because the mean of its divisors is an integer number (7785155133).

Almost surely, 2^121220333214 is an apocalyptic number.

121220333214 is an abundant number, since it is smaller than the sum of its proper divisors (127904631042).

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

121220333214 is a wasteful number, since it uses less digits than its factorization.

121220333214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289180.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121220333214 its reverse (412333022121), we get a palindrome (533553355335).

The spelling of 121220333214 in words is "one hundred twenty-one billion, two hundred twenty million, three hundred thirty-three thousand, two hundred fourteen".