110121221222102 has 4 divisors (see below), whose sum is σ = 165181831833156. Its totient is φ = 55060610611050.

The previous prime is 110121221222027. The next prime is 110121221222107. The reversal of 110121221222102 is 201222122121011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121221222107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27530305305524 + ... + 27530305305527.

It is an arithmetic number, because the mean of its divisors is an integer number (41295457958289).

Almost surely, 2^{110121221222102} is an apocalyptic number.

110121221222102 is a deficient number, since it is larger than the sum of its proper divisors (55060610611054).

110121221222102 is an equidigital number, since it uses as much as digits as its factorization.

110121221222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55060610611053.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 110121221222102 its reverse (201222122121011), we get a palindrome (311343343343113).

The spelling of 110121221222102 in words is "one hundred ten trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred two".