102121442214 has 128 divisors (see below), whose sum is σ = 228311322624. Its totient is φ = 30194736000.

The previous prime is 102121442209. The next prime is 102121442233. The reversal of 102121442214 is 412244121201.

It is a happy number.

102121442214 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154495044 + ... + 154495704.

It is an arithmetic number, because the mean of its divisors is an integer number (1783682208).

Almost surely, 2^102121442214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102121442214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114155661312).

102121442214 is an abundant number, since it is smaller than the sum of its proper divisors (126189880410).

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

102121442214 is a wasteful number, since it uses less digits than its factorization.

102121442214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 102121442214 its reverse (412244121201), we get a palindrome (514365563415).

The spelling of 102121442214 in words is "one hundred two billion, one hundred twenty-one million, four hundred forty-two thousand, two hundred fourteen".