1200111210022 has 8 divisors (see below), whose sum is σ = 1811632846176. Its totient is φ = 596233594632.

The previous prime is 1200111209987. The next prime is 1200111210097. The reversal of 1200111210022 is 2200121110021.

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

It is a junction number, because it is equal to n+sod(n) for n = 1200111209984 and 1200111210011.

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, 1911004798 + ... + 1911005425.

It is an arithmetic number, because the mean of its divisors is an integer number (226454105772).

Almost surely, 2^{1200111210022} is an apocalyptic number.

1200111210022 is a deficient number, since it is larger than the sum of its proper divisors (611521636154).

1200111210022 is a wasteful number, since it uses less digits than its factorization.

1200111210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822010382.

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

Adding to 1200111210022 its reverse (2200121110021), we get a palindrome (3400232320043).

The spelling of 1200111210022 in words is "one trillion, two hundred billion, one hundred eleven million, two hundred ten thousand, twenty-two".