211220020100201 has 16 divisors (see below), whose sum is σ = 245952416850048. Its totient is φ = 177627247574400.

The previous prime is 211220020100197. The next prime is 211220020100251. The reversal of 211220020100201 is 102001020022112.

It is a cyclic number.

It is not a de Polignac number, because 211220020100201 - 2² = 211220020100197 is a prime.

It is a super-2 number, since 2×211220020100201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211220020100251) 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, 22297886 + ... + 30325496.

It is an arithmetic number, because the mean of its divisors is an integer number (15372026053128).

Almost surely, 2^{211220020100201} is an apocalyptic number.

It is an amenable number.

211220020100201 is a deficient number, since it is larger than the sum of its proper divisors (34732396749847).

211220020100201 is an equidigital number, since it uses as much as digits as its factorization.

211220020100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8098592.

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

Adding to 211220020100201 its reverse (102001020022112), we get a palindrome (313221040122313).

The spelling of 211220020100201 in words is "two hundred eleven trillion, two hundred twenty billion, twenty million, one hundred thousand, two hundred one".