102100000220210 has 64 divisors (see below), whose sum is σ = 188793034990560. Its totient is φ = 39731657902080.

The previous prime is 102100000220161. The next prime is 102100000220227. The reversal of 102100000220210 is 12022000001201.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 86545990969 + 102013454229241 = 294187^2 + 10100171^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102100000220191 and 102100000220200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 662922932 + ... + 663076928.

Almost surely, 2^{102100000220210} is an apocalyptic number.

102100000220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100000220210 is a deficient number, since it is larger than the sum of its proper divisors (86693034770350).

102100000220210 is a wasteful number, since it uses less digits than its factorization.

102100000220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158591.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102100000220210 its reverse (12022000001201), we get a palindrome (114122000221411).

The spelling of 102100000220210 in words is "one hundred two trillion, one hundred billion, two hundred twenty thousand, two hundred ten".