102100211210 has 16 divisors (see below), whose sum is σ = 183789120096. Its totient is φ = 40838142288.

The previous prime is 102100211201. The next prime is 102100211249. The reversal of 102100211210 is 12112001201.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102100211191 and 102100211200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11492 + ... + 452031.

It is an arithmetic number, because the mean of its divisors is an integer number (11486820006).

Almost surely, 2^102100211210 is an apocalyptic number.

102100211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100211210 is a deficient number, since it is larger than the sum of its proper divisors (81688908886).

102100211210 is a wasteful number, since it uses less digits than its factorization.

102100211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485557.

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

Adding to 102100211210 its reverse (12112001201), we get a palindrome (114212212411).

The spelling of 102100211210 in words is "one hundred two billion, one hundred million, two hundred eleven thousand, two hundred ten".