102210020111 has 2 divisors, whose sum is σ = 102210020112. Its totient is φ = 102210020110.

The previous prime is 102210020093. The next prime is 102210020123. The reversal of 102210020111 is 111020012201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102210020111 - 2³⁴ = 85030150927 is a prime.

It is a super-2 number, since 2×102210020111² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102210020092 and 102210020101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102210020141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105010055 + 51105010056.

It is an arithmetic number, because the mean of its divisors is an integer number (51105010056).

Almost surely, 2^102210020111 is an apocalyptic number.

102210020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102210020111 is an equidigital number, since it uses as much as digits as its factorization.

102210020111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102210020111 its reverse (111020012201), we get a palindrome (213230032312).

The spelling of 102210020111 in words is "one hundred two billion, two hundred ten million, twenty thousand, one hundred eleven".