211200212020001 has 4 divisors (see below), whose sum is σ = 211353144832404. Its totient is φ = 211047279207600.

The previous prime is 211200212019983. The next prime is 211200212020003. The reversal of 211200212020001 is 100020212002112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 138154729397776 + 73045482622225 = 11753924^2 + 8546665^2 .

It is a cyclic number.

It is not a de Polignac number, because 211200212020001 - 2¹⁴ = 211200212003617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211200212020003) 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, 76466404130 + ... + 76466406891.

It is an arithmetic number, because the mean of its divisors is an integer number (52838286208101).

Almost surely, 2^{211200212020001} is an apocalyptic number.

It is an amenable number.

211200212020001 is a deficient number, since it is larger than the sum of its proper divisors (152932812403).

211200212020001 is a wasteful number, since it uses less digits than its factorization.

211200212020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152932812402.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211200212020001 its reverse (100020212002112), we get a palindrome (311220424022113).

The spelling of 211200212020001 in words is "two hundred eleven trillion, two hundred billion, two hundred twelve million, twenty thousand, one".