68211102 has 32 divisors (see below), whose sum is σ = 144144000. Its totient is φ = 21459168.

The previous prime is 68211097. The next prime is 68211107. The reversal of 68211102 is 20111286.

It is an interprime number because it is at equal distance from previous prime (68211097) and next prime (68211107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68211107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34024 + ... + 35972.

It is an arithmetic number, because the mean of its divisors is an integer number (4504500).

Almost surely, 2^68211102 is an apocalyptic number.

68211102 is an abundant number, since it is smaller than the sum of its proper divisors (75932898).

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

68211102 is a wasteful number, since it uses less digits than its factorization.

68211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 68211102 is about 8259.0012713403. The cubic root of 68211102 is about 408.5874491365.

Subtracting from 68211102 its sum of digits (21), we obtain a square (68211081 = 8259²).

Adding to 68211102 its reverse (20111286), we get a palindrome (88322388).

The spelling of 68211102 in words is "sixty-eight million, two hundred eleven thousand, one hundred two".