102102100221022 has 32 divisors (see below), whose sum is σ = 176672198642688. Its totient is φ = 43817509560000.

The previous prime is 102102100221019. The next prime is 102102100221029. The reversal of 102102100221022 is 220122001201201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102102100220987 and 102102100221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102100221029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1825701604 + ... + 1825757527.

It is an arithmetic number, because the mean of its divisors is an integer number (5521006207584).

Almost surely, 2^{102102100221022} is an apocalyptic number.

102102100221022 is a deficient number, since it is larger than the sum of its proper divisors (74570098421666).

102102100221022 is a wasteful number, since it uses less digits than its factorization.

102102100221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651459216.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102102100221022 its reverse (220122001201201), we get a palindrome (322224101422223).

The spelling of 102102100221022 in words is "one hundred two trillion, one hundred two billion, one hundred million, two hundred twenty-one thousand, twenty-two".