1220112221102 has 8 divisors (see below), whose sum is σ = 1830195259200. Its totient is φ = 610047134704.

The previous prime is 1220112221087. The next prime is 1220112221113. The reversal of 1220112221102 is 2011222110221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4316702 + ... + 4590657.

It is an arithmetic number, because the mean of its divisors is an integer number (228774407400).

Almost surely, 2^{1220112221102} is an apocalyptic number.

1220112221102 is a deficient number, since it is larger than the sum of its proper divisors (610083038098).

1220112221102 is an equidigital number, since it uses as much as digits as its factorization.

1220112221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8975850.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1220112221102 its reverse (2011222110221), we get a palindrome (3231334331323).

The spelling of 1220112221102 in words is "one trillion, two hundred twenty billion, one hundred twelve million, two hundred twenty-one thousand, one hundred two".