1200011011022 has 4 divisors (see below), whose sum is σ = 1800016516536. Its totient is φ = 600005505510.

The previous prime is 1200011010977. The next prime is 1200011011027. The reversal of 1200011011022 is 2201101100021.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1200011010994 and 1200011011012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200011011027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300002752754 + ... + 300002752757.

It is an arithmetic number, because the mean of its divisors is an integer number (450004129134).

Almost surely, 2^{1200011011022} is an apocalyptic number.

1200011011022 is a deficient number, since it is larger than the sum of its proper divisors (600005505514).

1200011011022 is an equidigital number, since it uses as much as digits as its factorization.

1200011011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600005505513.

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

Adding to 1200011011022 its reverse (2201101100021), we get a palindrome (3401112111043).

The spelling of 1200011011022 in words is "one trillion, two hundred billion, eleven million, eleven thousand, twenty-two".