221210134202 has 16 divisors (see below), whose sum is σ = 332061780960. Its totient is φ = 110522907312.

The previous prime is 221210134069. The next prime is 221210134253. The reversal of 221210134202 is 202431012122.

221210134202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 25078949 + ... + 25087767.

It is an arithmetic number, because the mean of its divisors is an integer number (20753861310).

Almost surely, 2^221210134202 is an apocalyptic number.

221210134202 is a deficient number, since it is larger than the sum of its proper divisors (110851646758).

221210134202 is a wasteful number, since it uses less digits than its factorization.

221210134202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16717.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 221210134202 its reverse (202431012122), we get a palindrome (423641146324).

The spelling of 221210134202 in words is "two hundred twenty-one billion, two hundred ten million, one hundred thirty-four thousand, two hundred two".