102220331211 has 32 divisors (see below), whose sum is σ = 151784908800. Its totient is φ = 67990777920.

The previous prime is 102220331173. The next prime is 102220331219. The reversal of 102220331211 is 112133022201.

102220331211 is a `hidden beast` number, since 102 + 2 + 20 + 331 + 211 = 666.

It is not a de Polignac number, because 102220331211 - 2¹⁷ = 102220200139 is a prime.

It is a super-2 number, since 2×102220331211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102220331219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26081310 + ... + 26085228.

It is an arithmetic number, because the mean of its divisors is an integer number (4743278400).

Almost surely, 2^102220331211 is an apocalyptic number.

102220331211 is a deficient number, since it is larger than the sum of its proper divisors (49564577589).

102220331211 is a wasteful number, since it uses less digits than its factorization.

102220331211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5896 (or 5890 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102220331211 its reverse (112133022201), we get a palindrome (214353353412).

The spelling of 102220331211 in words is "one hundred two billion, two hundred twenty million, three hundred thirty-one thousand, two hundred eleven".