1000121010211 has 32 divisors (see below), whose sum is σ = 1036070009856. Its totient is φ = 964808544000.

The previous prime is 1000121010193. The next prime is 1000121010227. The reversal of 1000121010211 is 1120101210001.

It is a cyclic number.

It is not a de Polignac number, because 1000121010211 - 2¹³ = 1000121002019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000121040211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1293817221 + ... + 1293817993.

It is an arithmetic number, because the mean of its divisors is an integer number (32377187808).

Almost surely, 2^{1000121010211} is an apocalyptic number.

1000121010211 is a deficient number, since it is larger than the sum of its proper divisors (35948999645).

1000121010211 is a wasteful number, since it uses less digits than its factorization.

1000121010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1000121010211 its reverse (1120101210001), we get a palindrome (2120222220212).

The spelling of 1000121010211 in words is "one trillion, one hundred twenty-one million, ten thousand, two hundred eleven".