211220022210201 has 8 divisors (see below), whose sum is σ = 312918551422560. Its totient is φ = 140813348140116.

The previous prime is 211220022210187. The next prime is 211220022210221. The reversal of 211220022210201 is 102012220022112.

It is a happy number.

211220022210201 is a `hidden beast` number, since 2 + 11 + 220 + 0 + 22 + 210 + 201 = 666.

It is not a de Polignac number, because 211220022210201 - 2¹³ = 211220022202009 is a prime.

It is a super-2 number, since 2×211220022210201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211220022210221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3911481892755 + ... + 3911481892808.

It is an arithmetic number, because the mean of its divisors is an integer number (39114818927820).

Almost surely, 2^{211220022210201} is an apocalyptic number.

It is an amenable number.

211220022210201 is a deficient number, since it is larger than the sum of its proper divisors (101698529212359).

211220022210201 is an equidigital number, since it uses as much as digits as its factorization.

211220022210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7822963785572 (or 7822963785566 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 211220022210201 its reverse (102012220022112), we get a palindrome (313232242232313).

The spelling of 211220022210201 in words is "two hundred eleven trillion, two hundred twenty billion, twenty-two million, two hundred ten thousand, two hundred one".