102220120111211 has 2 divisors, whose sum is σ = 102220120111212. Its totient is φ = 102220120111210.

The previous prime is 102220120111177. The next prime is 102220120111253. The reversal of 102220120111211 is 112111021022201.

It is a weak prime.

It is an emirp because it is prime and its reverse (112111021022201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102220120111211 - 2²² = 102220115916907 is a prime.

It is a super-3 number, since 3×102220120111211³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102220120111211.

It is not a weakly prime, because it can be changed into another prime (102220120110211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110060055605 + 51110060055606.

It is an arithmetic number, because the mean of its divisors is an integer number (51110060055606).

Almost surely, 2^{102220120111211} is an apocalyptic number.

102220120111211 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220120111211 is an equidigital number, since it uses as much as digits as its factorization.

102220120111211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102220120111211 its reverse (112111021022201), we get a palindrome (214331141133412).

The spelling of 102220120111211 in words is "one hundred two trillion, two hundred twenty billion, one hundred twenty million, one hundred eleven thousand, two hundred eleven".