20210211112102 has 16 divisors (see below), whose sum is σ = 33073134336000. Its totient is φ = 9185937432840.

The previous prime is 20210211112051. The next prime is 20210211112151. The reversal of 20210211112102 is 20121111201202.

It is a super-2 number, since 2×20210211112102² (a number of 27 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25712202 + ... + 26486557.

It is an arithmetic number, because the mean of its divisors is an integer number (2067070896000).

Almost surely, 2^{20210211112102} is an apocalyptic number.

20210211112102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20210211112102 is a deficient number, since it is larger than the sum of its proper divisors (12862923223898).

20210211112102 is a wasteful number, since it uses less digits than its factorization.

20210211112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52216371.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20210211112102 its reverse (20121111201202), we get a palindrome (40331322313304).

The spelling of 20210211112102 in words is "twenty trillion, two hundred ten billion, two hundred eleven million, one hundred twelve thousand, one hundred two".