2102215214 has 64 divisors (see below), whose sum is σ = 3809617920. Its totient is φ = 859248000.

The previous prime is 2102215207. The next prime is 2102215217. The reversal of 2102215214 is 4125122012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102215217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 685244 + ... + 688304.

It is an arithmetic number, because the mean of its divisors is an integer number (59525280).

Almost surely, 2^2102215214 is an apocalyptic number.

2102215214 is a deficient number, since it is larger than the sum of its proper divisors (1707402706).

2102215214 is a wasteful number, since it uses less digits than its factorization.

2102215214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2102215214 is about 45849.9205451874. The cubic root of 2102215214 is about 1281.0292856247.

Adding to 2102215214 its reverse (4125122012), we get a palindrome (6227337226).

The spelling of 2102215214 in words is "two billion, one hundred two million, two hundred fifteen thousand, two hundred fourteen".