212102110002122 has 16 divisors (see below), whose sum is σ = 318180841110144. Its totient is φ = 106041830076000.

The previous prime is 212102110002103. The next prime is 212102110002137. The reversal of 212102110002122 is 221200011201212.

It is a super-2 number, since 2×212102110002122² (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 212102110002122.

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, 1233919622 + ... + 1234091502.

It is an arithmetic number, because the mean of its divisors is an integer number (19886302569384).

Almost surely, 2^{212102110002122} is an apocalyptic number.

212102110002122 is a deficient number, since it is larger than the sum of its proper divisors (106078731108022).

212102110002122 is a wasteful number, since it uses less digits than its factorization.

212102110002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221965.

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

Adding to 212102110002122 its reverse (221200011201212), we get a palindrome (433302121203334).

The spelling of 212102110002122 in words is "two hundred twelve trillion, one hundred two billion, one hundred ten million, two thousand, one hundred twenty-two".