2121111214 has 32 divisors (see below), whose sum is σ = 3354721920. Its totient is φ = 1004435712.

The previous prime is 2121111193. The next prime is 2121111217. The reversal of 2121111214 is 4121111212.

It is a super-2 number, since 2×2121111214² = 8998225564313107592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121111217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832827 + ... + 835369.

It is an arithmetic number, because the mean of its divisors is an integer number (104835060).

Almost surely, 2^2121111214 is an apocalyptic number.

2121111214 is a deficient number, since it is larger than the sum of its proper divisors (1233610706).

2121111214 is a wasteful number, since it uses less digits than its factorization.

2121111214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844.

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

The square root of 2121111214 is about 46055.5231649799. The cubic root of 2121111214 is about 1284.8560683011.

Adding to 2121111214 its reverse (4121111212), we get a palindrome (6242222426).

The spelling of 2121111214 in words is "two billion, one hundred twenty-one million, one hundred eleven thousand, two hundred fourteen".