211001202020001 has 8 divisors (see below), whose sum is σ = 281550849259840. Its totient is φ = 140559511396752.

The previous prime is 211001202019943. The next prime is 211001202020009. The reversal of 211001202020001 is 100020202100112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211001202020001 - 2⁴⁶ = 140632457842337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211001202020009) 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, 26989149586 + ... + 26989157403.

It is an arithmetic number, because the mean of its divisors is an integer number (35193856157480).

Almost surely, 2^{211001202020001} is an apocalyptic number.

It is an amenable number.

211001202020001 is a deficient number, since it is larger than the sum of its proper divisors (70549647239839).

211001202020001 is a wasteful number, since it uses less digits than its factorization.

211001202020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53978308295.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211001202020001 its reverse (100020202100112), we get a palindrome (311021404120113).

The spelling of 211001202020001 in words is "two hundred eleven trillion, one billion, two hundred two million, twenty thousand, one".