102121210022 has 16 divisors (see below), whose sum is σ = 165076331280. Its totient is φ = 47101066272.

The previous prime is 102121209991. The next prime is 102121210031. The reversal of 102121210022 is 220012121201.

It is a junction number, because it is equal to n+sod(n) for n = 102121209979 and 102121210006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285697 + ... + 1362812.

It is an arithmetic number, because the mean of its divisors is an integer number (10317270705).

Almost surely, 2^102121210022 is an apocalyptic number.

102121210022 is a deficient number, since it is larger than the sum of its proper divisors (62955121258).

102121210022 is a wasteful number, since it uses less digits than its factorization.

102121210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650007.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102121210022 its reverse (220012121201), we get a palindrome (322133331223).

The spelling of 102121210022 in words is "one hundred two billion, one hundred twenty-one million, two hundred ten thousand, twenty-two".