102101021210 has 32 divisors (see below), whose sum is σ = 190647475200. Its totient is φ = 39339930240.

The previous prime is 102101021207. The next prime is 102101021237. The reversal of 102101021210 is 12120101201.

102101021210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 102101021191 and 102101021200.

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, 1543730 + ... + 1608509.

It is an arithmetic number, because the mean of its divisors is an integer number (5957733600).

Almost surely, 2^102101021210 is an apocalyptic number.

102101021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102101021210 is a deficient number, since it is larger than the sum of its proper divisors (88546453990).

102101021210 is a wasteful number, since it uses less digits than its factorization.

102101021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152366.

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

Adding to 102101021210 its reverse (12120101201), we get a palindrome (114221122411).

The spelling of 102101021210 in words is "one hundred two billion, one hundred one million, twenty-one thousand, two hundred ten".