1110121210210 has 8 divisors (see below), whose sum is σ = 1998218178396. Its totient is φ = 444048484080.

The previous prime is 1110121210151. The next prime is 1110121210249. The reversal of 1110121210210 is 120121210111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1097987526801 + 12133683409 = 1047849^2 + 110153^2 .

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

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, 55506060501 + ... + 55506060520.

Almost surely, 2^{1110121210210} is an apocalyptic number.

1110121210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1110121210210 is a deficient number, since it is larger than the sum of its proper divisors (888096968186).

1110121210210 is a wasteful number, since it uses less digits than its factorization.

1110121210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111012121028.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1110121210210 its reverse (120121210111), we get a palindrome (1230242420321).

Subtracting from 1110121210210 its reverse (120121210111), we obtain a palindrome (990000000099).

The spelling of 1110121210210 in words is "one trillion, one hundred ten billion, one hundred twenty-one million, two hundred ten thousand, two hundred ten".