211204215201 has 8 divisors (see below), whose sum is σ = 321834994624. Its totient is φ = 120688122960.

The previous prime is 211204215181. The next prime is 211204215227. The reversal of 211204215201 is 102512402112.

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

It is not a de Polignac number, because 211204215201 - 2¹¹ = 211204213153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10057343581 = 211204215201 / (2 + 1 + 1 + 2 + 0 + 4 + 2 + 1 + 5 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211204215281) 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, 5028671770 + ... + 5028671811.

It is an arithmetic number, because the mean of its divisors is an integer number (40229374328).

Almost surely, 2^211204215201 is an apocalyptic number.

211204215201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

211204215201 is a deficient number, since it is larger than the sum of its proper divisors (110630779423).

211204215201 is a wasteful number, since it uses less digits than its factorization.

211204215201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10057343591.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 211204215201 its reverse (102512402112), we get a palindrome (313716617313).

The spelling of 211204215201 in words is "two hundred eleven billion, two hundred four million, two hundred fifteen thousand, two hundred one".