10212121002011 has 8 divisors (see below), whose sum is σ = 10656333013920. Its totient is φ = 9767926219392.

The previous prime is 10212121001987. The next prime is 10212121002037. The reversal of 10212121002011 is 11020012121201.

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 10212121002011 - 2²² = 10212116807707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212121002211) 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, 3088766 + ... + 5474003.

It is an arithmetic number, because the mean of its divisors is an integer number (1332041626740).

Almost surely, 2^{10212121002011} is an apocalyptic number.

10212121002011 is a deficient number, since it is larger than the sum of its proper divisors (444212011909).

10212121002011 is an equidigital number, since it uses as much as digits as its factorization.

10212121002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8614645.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10212121002011 its reverse (11020012121201), we get a palindrome (21232133123212).

The spelling of 10212121002011 in words is "ten trillion, two hundred twelve billion, one hundred twenty-one million, two thousand, eleven".