221112210202202 has 32 divisors (see below), whose sum is σ = 362437493480064. Its totient is φ = 100334116153600.

The previous prime is 221112210202183. The next prime is 221112210202207. The reversal of 221112210202202 is 202202012211122.

It is not an unprimeable number, because it can be changed into a prime (221112210202207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42957302 + ... + 47828382.

It is an arithmetic number, because the mean of its divisors is an integer number (11326171671252).

Almost surely, 2^{221112210202202} is an apocalyptic number.

221112210202202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221112210202202 is a deficient number, since it is larger than the sum of its proper divisors (141325283277862).

221112210202202 is a wasteful number, since it uses less digits than its factorization.

221112210202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874614.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221112210202202 its reverse (202202012211122), we get a palindrome (423314222413324).

The spelling of 221112210202202 in words is "two hundred twenty-one trillion, one hundred twelve billion, two hundred ten million, two hundred two thousand, two hundred two".