102100100120210 has 16 divisors (see below), whose sum is σ = 185102339788800. Its totient is φ = 40546226809776.

The previous prime is 102100100120173. The next prime is 102100100120231. The reversal of 102100100120210 is 12021001001201.

It is a junction number, because it is equal to n+sod(n) for n = 102100100120191 and 102100100120200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36726653330 + ... + 36726656109.

It is an arithmetic number, because the mean of its divisors is an integer number (11568896236800).

Almost surely, 2^{102100100120210} is an apocalyptic number.

102100100120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100100120210 is a deficient number, since it is larger than the sum of its proper divisors (83002239668590).

102100100120210 is a wasteful number, since it uses less digits than its factorization.

102100100120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73453309585.

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

Adding to 102100100120210 its reverse (12021001001201), we get a palindrome (114121101121411).

The spelling of 102100100120210 in words is "one hundred two trillion, one hundred billion, one hundred million, one hundred twenty thousand, two hundred ten".