102102100022 has 48 divisors (see below), whose sum is σ = 175056379920. Its totient is φ = 44642819520.

The previous prime is 102102100013. The next prime is 102102100039. The reversal of 102102100022 is 220001201201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102102099976 and 102102100012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2296322 + ... + 2340362.

It is an arithmetic number, because the mean of its divisors is an integer number (3647007915).

Almost surely, 2^102102100022 is an apocalyptic number.

102102100022 is a deficient number, since it is larger than the sum of its proper divisors (72954279898).

102102100022 is an equidigital number, since it uses as much as digits as its factorization.

102102100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44126 (or 44075 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102102100022 its reverse (220001201201), we get a palindrome (322103301223).

The spelling of 102102100022 in words is "one hundred two billion, one hundred two million, one hundred thousand, twenty-two".