102121121322 has 48 divisors (see below), whose sum is σ = 247900921632. Its totient is φ = 30109419360.

The previous prime is 102121121299. The next prime is 102121121329. The reversal of 102121121322 is 223121121201.

102121121322 is a `hidden beast` number, since 10 + 212 + 1 + 121 + 322 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 102121121295 and 102121121304.

It is not an unprimeable number, because it can be changed into a prime (102121121329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6962448 + ... + 6977099.

It is an arithmetic number, because the mean of its divisors is an integer number (5164602534).

Almost surely, 2^102121121322 is an apocalyptic number.

102121121322 is an abundant number, since it is smaller than the sum of its proper divisors (145779800310).

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

102121121322 is a wasteful number, since it uses less digits than its factorization.

102121121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13939603 (or 13939600 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 102121121322 its reverse (223121121201), we get a palindrome (325242242523).

The spelling of 102121121322 in words is "one hundred two billion, one hundred twenty-one million, one hundred twenty-one thousand, three hundred twenty-two".