1200111011022 has 64 divisors (see below), whose sum is σ = 3000380774400. Its totient is φ = 310894627680.

The previous prime is 1200111011003. The next prime is 1200111011041. The reversal of 1200111011022 is 2201101110021.

It is an interprime number because it is at equal distance from previous prime (1200111011003) and next prime (1200111011041).

It is a junction number, because it is equal to n+sod(n) for n = 1200111010989 and 1200111011007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3251872 + ... + 3602067.

It is an arithmetic number, because the mean of its divisors is an integer number (46880949600).

Almost surely, 2^{1200111011022} is an apocalyptic number.

1200111011022 is an abundant number, since it is smaller than the sum of its proper divisors (1800269763378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200111011022 is a wasteful number, since it uses less digits than its factorization.

1200111011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854341.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1200111011022 its reverse (2201101110021), we get a palindrome (3401212121043).

The spelling of 1200111011022 in words is "one trillion, two hundred billion, one hundred eleven million, eleven thousand, twenty-two".