2121221011214 has 16 divisors (see below), whose sum is σ = 3369029329728. Its totient is φ = 998212392192.

The previous prime is 2121221011207. The next prime is 2121221011243. The reversal of 2121221011214 is 4121101221212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4652987 + ... + 5088489.

It is an arithmetic number, because the mean of its divisors is an integer number (210564333108).

Almost surely, 2^{2121221011214} is an apocalyptic number.

2121221011214 is a deficient number, since it is larger than the sum of its proper divisors (1247808318514).

2121221011214 is a wasteful number, since it uses less digits than its factorization.

2121221011214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578779.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 2121221011214 its reverse (4121101221212), we get a palindrome (6242322232426).

The spelling of 2121221011214 in words is "two trillion, one hundred twenty-one billion, two hundred twenty-one million, eleven thousand, two hundred fourteen".