1200022211110 has 80 divisors (see below), whose sum is σ = 2303604191376. Its totient is φ = 450088026624.

The previous prime is 1200022211099. The next prime is 1200022211123. The reversal of 1200022211110 is 111122200021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 236361892 + ... + 236366968.

Almost surely, 2^{1200022211110} is an apocalyptic number.

1200022211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200022211110 is a deficient number, since it is larger than the sum of its proper divisors (1103581980266).

1200022211110 is an frugal number, since it uses more digits than its factorization.

1200022211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5435 (or 5384 counting only the distinct ones).

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

Adding to 1200022211110 its reverse (111122200021), we get a palindrome (1311144411131).

The spelling of 1200022211110 in words is "one trillion, two hundred billion, twenty-two million, two hundred eleven thousand, one hundred ten".