1220110121102 has 4 divisors (see below), whose sum is σ = 1830165181656. Its totient is φ = 610055060550.

The previous prime is 1220110121089. The next prime is 1220110121123. The reversal of 1220110121102 is 2011210110221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305027530274 + ... + 305027530277.

It is an arithmetic number, because the mean of its divisors is an integer number (457541295414).

Almost surely, 2^{1220110121102} is an apocalyptic number.

1220110121102 is a deficient number, since it is larger than the sum of its proper divisors (610055060554).

1220110121102 is an equidigital number, since it uses as much as digits as its factorization.

1220110121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610055060553.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1220110121102 its reverse (2011210110221), we get a palindrome (3231320231323).

The spelling of 1220110121102 in words is "one trillion, two hundred twenty billion, one hundred ten million, one hundred twenty-one thousand, one hundred two".