102102222111102 has 24 divisors (see below), whose sum is σ = 221221892235240. Its totient is φ = 34034010807120.

The previous prime is 102102222111101. The next prime is 102102222111161. The reversal of 102102222111102 is 201111222201201.

102102222111102 is a `hidden beast` number, since 10 + 210 + 222 + 211 + 1 + 10 + 2 = 666.

102102222111102 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×102102222111102² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102222111101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5256952 + ... + 15226292.

It is an arithmetic number, because the mean of its divisors is an integer number (9217578843135).

Almost surely, 2^{102102222111102} is an apocalyptic number.

102102222111102 is an abundant number, since it is smaller than the sum of its proper divisors (119119670124138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102102222111102 is a wasteful number, since it uses less digits than its factorization.

102102222111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10538328 (or 10538325 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102102222111102 its reverse (201111222201201), we get a palindrome (303213444312303).

Subtracting 102102222111102 from its reverse (201111222201201), we obtain a palindrome (99009000090099).

The spelling of 102102222111102 in words is "one hundred two trillion, one hundred two billion, two hundred twenty-two million, one hundred eleven thousand, one hundred two".