102220011111211 has 6 divisors (see below), whose sum is σ = 118908992517180. Its totient is φ = 87617152380996.

The previous prime is 102220011111019. The next prime is 102220011111263. The reversal of 102220011111211 is 112111110022201.

It is not a de Polignac number, because 102220011111211 - 2¹¹ = 102220011109163 is a prime.

It is a super-2 number, since 2×102220011111211² (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 (102220011111271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1043061337821 + ... + 1043061337918.

It is an arithmetic number, because the mean of its divisors is an integer number (19818165419530).

Almost surely, 2^{102220011111211} is an apocalyptic number.

102220011111211 is a deficient number, since it is larger than the sum of its proper divisors (16688981405969).

102220011111211 is an equidigital number, since it uses as much as digits as its factorization.

102220011111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086122675753 (or 2086122675746 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 102220011111211 its reverse (112111110022201), we get a palindrome (214331121133412).

The spelling of 102220011111211 in words is "one hundred two trillion, two hundred twenty billion, eleven million, one hundred eleven thousand, two hundred eleven".