210200100102122 has 16 divisors (see below), whose sum is σ = 342915928731432. Its totient is φ = 96054881995200.

The previous prime is 210200100102119. The next prime is 210200100102137. The reversal of 210200100102122 is 221201001002012.

It can be written as a sum of positive squares in 4 ways, for example, as 195414929269921 + 14785170832201 = 13979089^2 + 3845149^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210200100102097 and 210200100102106.

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, 40022864873 + ... + 40022870124.

Almost surely, 2^{210200100102122} is an apocalyptic number.

210200100102122 is a deficient number, since it is larger than the sum of its proper divisors (132715828629310).

210200100102122 is a wasteful number, since it uses less digits than its factorization.

210200100102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80045735113.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210200100102122 its reverse (221201001002012), we get a palindrome (431401101104134).

The spelling of 210200100102122 in words is "two hundred ten trillion, two hundred billion, one hundred million, one hundred two thousand, one hundred twenty-two".