102111000221210 has 96 divisors (see below), whose sum is σ = 194079423347712. Its totient is φ = 38607784427520.

The previous prime is 102111000221149. The next prime is 102111000221213. The reversal of 102111000221210 is 12122000111201.

It is not an unprimeable number, because it can be changed into a prime (102111000221213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1456384055 + ... + 1456454165.

It is an arithmetic number, because the mean of its divisors is an integer number (2021660659872).

Almost surely, 2^{102111000221210} is an apocalyptic number.

102111000221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102111000221210 is a deficient number, since it is larger than the sum of its proper divisors (91968423126502).

102111000221210 is an equidigital number, since it uses as much as digits as its factorization.

102111000221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71008 (or 70911 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102111000221210 its reverse (12122000111201), we get a palindrome (114233000332411).

The spelling of 102111000221210 in words is "one hundred two trillion, one hundred eleven billion, two hundred twenty-one thousand, two hundred ten".