212102222011010 has 8 divisors (see below), whose sum is σ = 381783999619836. Its totient is φ = 84840888804400.

The previous prime is 212102222010941. The next prime is 212102222011021. The reversal of 212102222011010 is 10110222201212.

It can be written as a sum of positive squares in 2 ways, for example, as 209991428548561 + 2110793462449 = 14491081^2 + 1452857^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×212102222011010² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212102222011010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10605111100541 + ... + 10605111100560.

Almost surely, 2^{212102222011010} is an apocalyptic number.

212102222011010 is a deficient number, since it is larger than the sum of its proper divisors (169681777608826).

212102222011010 is a wasteful number, since it uses less digits than its factorization.

212102222011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21210222201108.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212102222011010 its reverse (10110222201212), we get a palindrome (222212444212222).

The spelling of 212102222011010 in words is "two hundred twelve trillion, one hundred two billion, two hundred twenty-two million, eleven thousand, ten".