1020212111102 has 8 divisors (see below), whose sum is σ = 1567643000112. Its totient is φ = 497664444400.

The previous prime is 1020212111077. The next prime is 1020212111173. The reversal of 1020212111102 is 2011112120201.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 6220805474 + ... + 6220805637.

It is an arithmetic number, because the mean of its divisors is an integer number (195955375014).

Almost surely, 2^{1020212111102} is an apocalyptic number.

1020212111102 is a deficient number, since it is larger than the sum of its proper divisors (547430889010).

1020212111102 is a wasteful number, since it uses less digits than its factorization.

1020212111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12441611154.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1020212111102 its reverse (2011112120201), we get a palindrome (3031324231303).

Subtracting 1020212111102 from its reverse (2011112120201), we obtain a palindrome (990900009099).

The spelling of 1020212111102 in words is "one trillion, twenty billion, two hundred twelve million, one hundred eleven thousand, one hundred two".