221302030340210 has 32 divisors (see below), whose sum is σ = 412758522178560. Its totient is φ = 85327565706432.

The previous prime is 221302030340179. The next prime is 221302030340257. The reversal of 221302030340210 is 12043030203122.

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, 628415774 + ... + 628767833.

It is an arithmetic number, because the mean of its divisors is an integer number (12898703818080).

Almost surely, 2^{221302030340210} is an apocalyptic number.

221302030340210 is a deficient number, since it is larger than the sum of its proper divisors (191456491838350).

221302030340210 is a wasteful number, since it uses less digits than its factorization.

221302030340210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257184250.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 221302030340210 its reverse (12043030203122), we get a palindrome (233345060543332).

The spelling of 221302030340210 in words is "two hundred twenty-one trillion, three hundred two billion, thirty million, three hundred forty thousand, two hundred ten".