211420200001 has 4 divisors (see below), whose sum is σ = 223856682372. Its totient is φ = 198983717632.

The previous prime is 211420199971. The next prime is 211420200023. The reversal of 211420200001 is 100002024112.

It is a happy number.

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 87882009601 + 123538190400 = 296449^2 + 351480^2 .

It is a cyclic number.

It is not a de Polignac number, because 211420200001 - 2¹⁹ = 211419675713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211420200091) 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, 6218241160 + ... + 6218241193.

It is an arithmetic number, because the mean of its divisors is an integer number (55964170593).

Almost surely, 2^211420200001 is an apocalyptic number.

It is an amenable number.

211420200001 is a deficient number, since it is larger than the sum of its proper divisors (12436482371).

211420200001 is a wasteful number, since it uses less digits than its factorization.

211420200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12436482370.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211420200001 its reverse (100002024112), we get a palindrome (311422224113).

The spelling of 211420200001 in words is "two hundred eleven billion, four hundred twenty million, two hundred thousand, one".