1200021201110 has 8 divisors (see below), whose sum is σ = 2160038162016. Its totient is φ = 480008480440.

The previous prime is 1200021201101. The next prime is 1200021201121. The reversal of 1200021201110 is 111021200021.

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

It is a super-2 number, since 2×1200021201110² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200021201091 and 1200021201100.

It is a congruent number.

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, 60001060046 + ... + 60001060065.

It is an arithmetic number, because the mean of its divisors is an integer number (270004770252).

Almost surely, 2^{1200021201110} is an apocalyptic number.

1200021201110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200021201110 is a deficient number, since it is larger than the sum of its proper divisors (960016960906).

1200021201110 is a wasteful number, since it uses less digits than its factorization.

1200021201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120002120118.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1200021201110 its reverse (111021200021), we get a palindrome (1311042401131).

The spelling of 1200021201110 in words is "one trillion, two hundred billion, twenty-one million, two hundred one thousand, one hundred ten".