212021100110010 has 64 divisors (see below), whose sum is σ = 510813285984000. Its totient is φ = 56320946729472.

The previous prime is 212021100109981. The next prime is 212021100110047. The reversal of 212021100110010 is 10011001120212.

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, 56337766 + ... + 59983214.

It is an arithmetic number, because the mean of its divisors is an integer number (7981457593500).

Almost surely, 2^{212021100110010} is an apocalyptic number.

212021100110010 is an abundant number, since it is smaller than the sum of its proper divisors (298792185873990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212021100110010 is a wasteful number, since it uses less digits than its factorization.

212021100110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652935.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212021100110010 its reverse (10011001120212), we get a palindrome (222032101230222).

The spelling of 212021100110010 in words is "two hundred twelve trillion, twenty-one billion, one hundred million, one hundred ten thousand, ten".