102120210100010 has 32 divisors (see below), whose sum is σ = 186850223280000. Its totient is φ = 40176642425920.

The previous prime is 102120210099991. The next prime is 102120210100031. The reversal of 102120210100010 is 10001012021201.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102120210099964 and 102120210100000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171338885 + ... + 171933864.

It is an arithmetic number, because the mean of its divisors is an integer number (5839069477500).

Almost surely, 2^{102120210100010} is an apocalyptic number.

102120210100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102120210100010 is a deficient number, since it is larger than the sum of its proper divisors (84730013179990).

102120210100010 is a wasteful number, since it uses less digits than its factorization.

102120210100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343273246.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102120210100010 its reverse (10001012021201), we get a palindrome (112121222121211).

The spelling of 102120210100010 in words is "one hundred two trillion, one hundred twenty billion, two hundred ten million, one hundred thousand, ten".