11211020021102 has 8 divisors (see below), whose sum is σ = 18345305489112. Its totient is φ = 5095918191400.

The previous prime is 11211020021039. The next prime is 11211020021111. The reversal of 11211020021102 is 20112002011211.

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, 254795909549 + ... + 254795909592.

It is an arithmetic number, because the mean of its divisors is an integer number (2293163186139).

Almost surely, 2^{11211020021102} is an apocalyptic number.

11211020021102 is a deficient number, since it is larger than the sum of its proper divisors (7134285468010).

11211020021102 is a wasteful number, since it uses less digits than its factorization.

11211020021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509591819154.

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

Adding to 11211020021102 its reverse (20112002011211), we get a palindrome (31323022032313).

The spelling of 11211020021102 in words is "eleven trillion, two hundred eleven billion, twenty million, twenty-one thousand, one hundred two".