210012010111001 has 4 divisors (see below), whose sum is σ = 240013725841152. Its totient is φ = 180010294380852.

The previous prime is 210012010110997. The next prime is 210012010111051. The reversal of 210012010111001 is 100111010210012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210012010111001 - 2² = 210012010110997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210012010111051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15000857865065 + ... + 15000857865078.

It is an arithmetic number, because the mean of its divisors is an integer number (60003431460288).

Almost surely, 2^{210012010111001} is an apocalyptic number.

It is an amenable number.

210012010111001 is a deficient number, since it is larger than the sum of its proper divisors (30001715730151).

210012010111001 is an equidigital number, since it uses as much as digits as its factorization.

210012010111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30001715730150.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 210012010111001 its reverse (100111010210012), we get a palindrome (310123020321013).

The spelling of 210012010111001 in words is "two hundred ten trillion, twelve billion, ten million, one hundred eleven thousand, one".