221234413202 has 16 divisors (see below), whose sum is σ = 362028528000. Its totient is φ = 100558713840.

The previous prime is 221234413129. The next prime is 221234413217. The reversal of 221234413202 is 202314432122.

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, 1113824 + ... + 1297332.

It is an arithmetic number, because the mean of its divisors is an integer number (22626783000).

Almost surely, 2^221234413202 is an apocalyptic number.

221234413202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221234413202 is a deficient number, since it is larger than the sum of its proper divisors (140794114798).

221234413202 is a wasteful number, since it uses less digits than its factorization.

221234413202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238321.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 221234413202 its reverse (202314432122), we get a palindrome (423548845324).

It can be divided in two parts, 221234 and 413202, that added together give a palindrome (634436).

The spelling of 221234413202 in words is "two hundred twenty-one billion, two hundred thirty-four million, four hundred thirteen thousand, two hundred two".