210220120201211 has 16 divisors (see below), whose sum is σ = 220293707829408. Its totient is φ = 200388858508800.

The previous prime is 210220120201153. The next prime is 210220120201213. The reversal of 210220120201211 is 112102021022012.

It is a cyclic number.

It is not a de Polignac number, because 210220120201211 - 2³⁸ = 209945242294267 is a prime.

It is a super-2 number, since 2×210220120201211² (a number of 29 digits) contains 22 as substring.

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 210220120201211.

It is not an unprimeable number, because it can be changed into a prime (210220120201213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76214030 + ... + 78924131.

It is an arithmetic number, because the mean of its divisors is an integer number (13768356739338).

Almost surely, 2^{210220120201211} is an apocalyptic number.

210220120201211 is a deficient number, since it is larger than the sum of its proper divisors (10073587628197).

210220120201211 is a wasteful number, since it uses less digits than its factorization.

210220120201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155138942.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210220120201211 its reverse (112102021022012), we get a palindrome (322322141223223).

The spelling of 210220120201211 in words is "two hundred ten trillion, two hundred twenty billion, one hundred twenty million, two hundred one thousand, two hundred eleven".