102220212202111 has 2 divisors, whose sum is σ = 102220212202112. Its totient is φ = 102220212202110.

The previous prime is 102220212202039. The next prime is 102220212202117. The reversal of 102220212202111 is 111202212022201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102220212202111 - 2²⁵ = 102220178647679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102220212202117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (37) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110106101055 + 51110106101056.

It is an arithmetic number, because the mean of its divisors is an integer number (51110106101056).

Almost surely, 2^{102220212202111} is an apocalyptic number.

102220212202111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220212202111 is an equidigital number, since it uses as much as digits as its factorization.

102220212202111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102220212202111 its reverse (111202212022201), we get a palindrome (213422424224312).

The spelling of 102220212202111 in words is "one hundred two trillion, two hundred twenty billion, two hundred twelve million, two hundred two thousand, one hundred eleven".