110121210202 has 4 divisors (see below), whose sum is σ = 165181815306. Its totient is φ = 55060605100.

The previous prime is 110121210181. The next prime is 110121210247. The reversal of 110121210202 is 202012121011.

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

It can be written as a sum of positive squares in only one way, i.e., 98653156281 + 11468053921 = 314091^2 + 107089^2 .

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, 27530302549 + ... + 27530302552.

Almost surely, 2^110121210202 is an apocalyptic number.

110121210202 is a deficient number, since it is larger than the sum of its proper divisors (55060605104).

110121210202 is an equidigital number, since it uses as much as digits as its factorization.

110121210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55060605103.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110121210202 its reverse (202012121011), we get a palindrome (312133331213).

The spelling of 110121210202 in words is "one hundred ten billion, one hundred twenty-one million, two hundred ten thousand, two hundred two".