1000121022211 has 8 divisors (see below), whose sum is σ = 1009948324320. Its totient is φ = 990295977792.

The previous prime is 1000121022209. The next prime is 1000121022281. The reversal of 1000121022211 is 1122201210001.

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 1000121022211 - 2¹ = 1000121022209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000121022191 and 1000121022200.

It is not an unprimeable number, because it can be changed into a prime (1000121022281) 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, 332871 + ... + 1452943.

It is an arithmetic number, because the mean of its divisors is an integer number (126243540540).

Almost surely, 2^{1000121022211} is an apocalyptic number.

1000121022211 is a deficient number, since it is larger than the sum of its proper divisors (9827302109).

1000121022211 is a wasteful number, since it uses less digits than its factorization.

1000121022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128845.

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

Adding to 1000121022211 its reverse (1122201210001), we get a palindrome (2122322232212).

The spelling of 1000121022211 in words is "one trillion, one hundred twenty-one million, twenty-two thousand, two hundred eleven".