210100010121010 has 16 divisors (see below), whose sum is σ = 381924374835672. Its totient is φ = 83207924800000.

The previous prime is 210100010121007. The next prime is 210100010121121. The reversal of 210100010121010 is 10121010001012.

It can be written as a sum of positive squares in 4 ways, for example, as 204496549452441 + 5603460668569 = 14300229^2 + 2367163^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 104009904991 + ... + 104009907010.

Almost surely, 2^{210100010121010} is an apocalyptic number.

210100010121010 is a deficient number, since it is larger than the sum of its proper divisors (171824364714662).

210100010121010 is a wasteful number, since it uses less digits than its factorization.

210100010121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208019812109.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 210100010121010 its reverse (10121010001012), we get a palindrome (220221020122022).

The spelling of 210100010121010 in words is "two hundred ten trillion, one hundred billion, ten million, one hundred twenty-one thousand, ten".