102102002221122 has 48 divisors (see below), whose sum is σ = 221281294534560. Its totient is φ = 34024726296000.

The previous prime is 102102002221097. The next prime is 102102002221127. The reversal of 102102002221122 is 221122200201201.

It is a happy number.

102102002221122 is a `hidden beast` number, since 1 + 0 + 210 + 200 + 22 + 211 + 22 = 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 = 102102002221095 and 102102002221104.

It is not an unprimeable number, because it can be changed into a prime (102102002221127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2667152622 + ... + 2667190902.

It is an arithmetic number, because the mean of its divisors is an integer number (4610026969470).

Almost surely, 2^{102102002221122} is an apocalyptic number.

102102002221122 is an abundant number, since it is smaller than the sum of its proper divisors (119179292313438).

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

102102002221122 is a wasteful number, since it uses less digits than its factorization.

102102002221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74799 (or 74796 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102102002221122 its reverse (221122200201201), we get a palindrome (323224202422323).

The spelling of 102102002221122 in words is "one hundred two trillion, one hundred two billion, two million, two hundred twenty-one thousand, one hundred twenty-two".