221112012202 has 32 divisors (see below), whose sum is σ = 339182398080. Its totient is φ = 108081941760.

The previous prime is 221112012139. The next prime is 221112012283. The reversal of 221112012202 is 202210211122.

It is a happy number.

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, 8166427 + ... + 8193457.

It is an arithmetic number, because the mean of its divisors is an integer number (10599449940).

Almost surely, 2^221112012202 is an apocalyptic number.

221112012202 is a deficient number, since it is larger than the sum of its proper divisors (118070385878).

221112012202 is a wasteful number, since it uses less digits than its factorization.

221112012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27598.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221112012202 its reverse (202210211122), we get a palindrome (423322223324).

The spelling of 221112012202 in words is "two hundred twenty-one billion, one hundred twelve million, twelve thousand, two hundred two".