1200011222110 has 16 divisors (see below), whose sum is σ = 2162099160000. Its totient is φ = 479542497696.

The previous prime is 1200011222093. The next prime is 1200011222117. The reversal of 1200011222110 is 112221100021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200011222117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57737985 + ... + 57758764.

It is an arithmetic number, because the mean of its divisors is an integer number (135131197500).

Almost surely, 2^{1200011222110} is an apocalyptic number.

1200011222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200011222110 is a deficient number, since it is larger than the sum of its proper divisors (962087937890).

1200011222110 is a wasteful number, since it uses less digits than its factorization.

1200011222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115497795.

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

Adding to 1200011222110 its reverse (112221100021), we get a palindrome (1312232322131).

The spelling of 1200011222110 in words is "one trillion, two hundred billion, eleven million, two hundred twenty-two thousand, one hundred ten".