21214233034610 has 64 divisors (see below), whose sum is σ = 47652833378304. Its totient is φ = 6606007876800.

The previous prime is 21214233034447. The next prime is 21214233034661. The reversal of 21214233034610 is 1643033241212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12140546 + ... + 13777565.

It is an arithmetic number, because the mean of its divisors is an integer number (744575521536).

Almost surely, 2^{21214233034610} is an apocalyptic number.

21214233034610 is an abundant number, since it is smaller than the sum of its proper divisors (26438600343694).

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

21214233034610 is a wasteful number, since it uses less digits than its factorization.

21214233034610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25919199.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 21214233034610 its reverse (1643033241212), we get a palindrome (22857266275822).

The spelling of 21214233034610 in words is "twenty-one trillion, two hundred fourteen billion, two hundred thirty-three million, thirty-four thousand, six hundred ten".