212101111202102 has 32 divisors (see below), whose sum is σ = 337381446088800. Its totient is φ = 99723636891648.

The previous prime is 212101111202093. The next prime is 212101111202287. The reversal of 212101111202102 is 201202111101212.

It is a super-2 number, since 2×212101111202102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 41046974 + ... + 45924462.

It is an arithmetic number, because the mean of its divisors is an integer number (10543170190275).

Almost surely, 2^{212101111202102} is an apocalyptic number.

212101111202102 is a deficient number, since it is larger than the sum of its proper divisors (125280334886698).

212101111202102 is a wasteful number, since it uses less digits than its factorization.

212101111202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886000.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212101111202102 its reverse (201202111101212), we get a palindrome (413303222303314).

The spelling of 212101111202102 in words is "two hundred twelve trillion, one hundred one billion, one hundred eleven million, two hundred two thousand, one hundred two".