1000122112211 has 32 divisors (see below), whose sum is σ = 1082986521408. Its totient is φ = 920178524160.

The previous prime is 1000122112133. The next prime is 1000122112237. The reversal of 1000122112211 is 1122112210001.

It is not a de Polignac number, because 1000122112211 - 2¹⁰ = 1000122111187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000122112261) 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 in 31 ways as a sum of consecutive naturals, for example, 117477491 + ... + 117486003.

It is an arithmetic number, because the mean of its divisors is an integer number (33843328794).

Almost surely, 2^{1000122112211} is an apocalyptic number.

1000122112211 is a deficient number, since it is larger than the sum of its proper divisors (82864409197).

1000122112211 is a wasteful number, since it uses less digits than its factorization.

1000122112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9431.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1000122112211 its reverse (1122112210001), we get a palindrome (2122234322212).

The spelling of 1000122112211 in words is "one trillion, one hundred twenty-two million, one hundred twelve thousand, two hundred eleven".