1000122133211 has 4 divisors (see below), whose sum is σ = 1008972771672. Its totient is φ = 991271494752.

The previous prime is 1000122133187. The next prime is 1000122133217. The reversal of 1000122133211 is 1123312210001.

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

It is a cyclic number.

It is not a de Polignac number, because 1000122133211 - 2⁶ = 1000122133147 is a prime.

It is a super-3 number, since 3×1000122133211³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000122133211.

It is not an unprimeable number, because it can be changed into a prime (1000122133217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4425319061 + ... + 4425319286.

It is an arithmetic number, because the mean of its divisors is an integer number (252243192918).

Almost surely, 2^{1000122133211} is an apocalyptic number.

1000122133211 is a deficient number, since it is larger than the sum of its proper divisors (8850638461).

1000122133211 is an equidigital number, since it uses as much as digits as its factorization.

1000122133211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8850638460.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1000122133211 its reverse (1123312210001), we get a palindrome (2123434343212).

The spelling of 1000122133211 in words is "one trillion, one hundred twenty-two million, one hundred thirty-three thousand, two hundred eleven".