10012121001211 has 8 divisors (see below), whose sum is σ = 11449839713024. Its totient is φ = 8576256217320.

The previous prime is 10012121001193. The next prime is 10012121001331. The reversal of 10012121001211 is 11210012121001.

It is a happy number.

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 10012121001211 - 2³³ = 10003531066619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10012121001191 and 10012121001200.

It is not an unprimeable number, because it can be changed into a prime (10012121001511) 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 7 ways as a sum of consecutive naturals, for example, 463470405 + ... + 463492006.

It is an arithmetic number, because the mean of its divisors is an integer number (1431229964128).

Almost surely, 2^{10012121001211} is an apocalyptic number.

10012121001211 is a deficient number, since it is larger than the sum of its proper divisors (1437718711813).

10012121001211 is an equidigital number, since it uses as much as digits as its factorization.

10012121001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926963961.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10012121001211 its reverse (11210012121001), we get a palindrome (21222133122212).

The spelling of 10012121001211 in words is "ten trillion, twelve billion, one hundred twenty-one million, one thousand, two hundred eleven".