1000120212211 has 8 divisors (see below), whose sum is σ = 1009005130800. Its totient is φ = 991235895552.

The previous prime is 1000120212191. The next prime is 1000120212229. The reversal of 1000120212211 is 1122120210001.

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

It is a cyclic number.

It is not a de Polignac number, because 1000120212211 - 2²⁹ = 999583341299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000120212191 and 1000120212200.

It is not an unprimeable number, because it can be changed into a prime (1000120210211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3600636 + ... + 3868438.

It is an arithmetic number, because the mean of its divisors is an integer number (126125641350).

Almost surely, 2^{1000120212211} is an apocalyptic number.

1000120212211 is a deficient number, since it is larger than the sum of its proper divisors (8884918589).

1000120212211 is a wasteful number, since it uses less digits than its factorization.

1000120212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300965.

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

Adding to 1000120212211 its reverse (1122120210001), we get a palindrome (2122240422212).

The spelling of 1000120212211 in words is "one trillion, one hundred twenty million, two hundred twelve thousand, two hundred eleven".