2102011020001 has 4 divisors (see below), whose sum is σ = 2107557223600. Its totient is φ = 2096464816404.

The previous prime is 2102011019959. The next prime is 2102011020029. The reversal of 2102011020001 is 1000201102012.

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 2102011020001 - 2⁹ = 2102011019489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2102011020001.

It is not an unprimeable number, because it can be changed into a prime (2102011026001) 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, 2773101231 + ... + 2773101988.

It is an arithmetic number, because the mean of its divisors is an integer number (526889305900).

Almost surely, 2^{2102011020001} is an apocalyptic number.

It is an amenable number.

2102011020001 is a deficient number, since it is larger than the sum of its proper divisors (5546203599).

2102011020001 is an equidigital number, since it uses as much as digits as its factorization.

2102011020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546203598.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2102011020001 its reverse (1000201102012), we get a palindrome (3102212122013).

The spelling of 2102011020001 in words is "two trillion, one hundred two billion, eleven million, twenty thousand, one".