20211211000102 has 4 divisors (see below), whose sum is σ = 30316816500156. Its totient is φ = 10105605500050.

The previous prime is 20211211000031. The next prime is 20211211000133. The reversal of 20211211000102 is 20100011211202.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 5052802750024 + ... + 5052802750027.

It is an arithmetic number, because the mean of its divisors is an integer number (7579204125039).

Almost surely, 2^{20211211000102} is an apocalyptic number.

20211211000102 is a deficient number, since it is larger than the sum of its proper divisors (10105605500054).

20211211000102 is a wasteful number, since it uses less digits than its factorization.

20211211000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105605500053.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20211211000102 its reverse (20100011211202), we get a palindrome (40311222211304).

The spelling of 20211211000102 in words is "twenty trillion, two hundred eleven billion, two hundred eleven million, one hundred two", and thus it is an aban number.