212102122010102 has 12 divisors (see below), whose sum is σ = 318243297809940. Its totient is φ = 106021031243448.

The previous prime is 212102122010071. The next prime is 212102122010131. The reversal of 212102122010102 is 201010221201212.

It is a super-2 number, since 2×212102122010102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20716049 + ... + 29212307.

It is an arithmetic number, because the mean of its divisors is an integer number (26520274817495).

Almost surely, 2^{212102122010102} is an apocalyptic number.

212102122010102 is a deficient number, since it is larger than the sum of its proper divisors (106141175799838).

212102122010102 is an frugal number, since it uses more digits than its factorization.

212102122010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8503327 (or 8499794 counting only the distinct ones).

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

Adding to 212102122010102 its reverse (201010221201212), we get a palindrome (413112343211314).

The spelling of 212102122010102 in words is "two hundred twelve trillion, one hundred two billion, one hundred twenty-two million, ten thousand, one hundred two".