102211220211 has 16 divisors (see below), whose sum is σ = 139374950400. Its totient is φ = 66598187648.

The previous prime is 102211220191. The next prime is 102211220219. The reversal of 102211220211 is 112022112201.

It is a cyclic number.

It is not a de Polignac number, because 102211220211 - 2¹⁸ = 102210958067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102211220219) 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, 402726 + ... + 605483.

It is an arithmetic number, because the mean of its divisors is an integer number (8710934400).

Almost surely, 2^102211220211 is an apocalyptic number.

102211220211 is a deficient number, since it is larger than the sum of its proper divisors (37163730189).

102211220211 is a wasteful number, since it uses less digits than its factorization.

102211220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008978.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102211220211 its reverse (112022112201), we get a palindrome (214233332412).

The spelling of 102211220211 in words is "one hundred two billion, two hundred eleven million, two hundred twenty thousand, two hundred eleven".