210101021200001 has 4 divisors (see below), whose sum is σ = 210153194290992. Its totient is φ = 210048848109012.

The previous prime is 210101021199959. The next prime is 210101021200099. The reversal of 210101021200001 is 100002120101012.

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 210101021200001 - 2¹⁰ = 210101021198977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210101021200501) 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, 26086539455 + ... + 26086547508.

It is an arithmetic number, because the mean of its divisors is an integer number (52538298572748).

Almost surely, 2^{210101021200001} is an apocalyptic number.

It is an amenable number.

210101021200001 is a deficient number, since it is larger than the sum of its proper divisors (52173090991).

210101021200001 is an equidigital number, since it uses as much as digits as its factorization.

210101021200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52173090990.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210101021200001 its reverse (100002120101012), we get a palindrome (310103141301013).

The spelling of 210101021200001 in words is "two hundred ten trillion, one hundred one billion, twenty-one million, two hundred thousand, one".