20211143111102 has 8 divisors (see below), whose sum is σ = 30328228808496. Its totient is φ = 10101733508272.

The previous prime is 20211143111059. The next prime is 20211143111129. The reversal of 20211143111102 is 20111134111202.

It is a happy number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1919017058 + ... + 1919027589.

It is an arithmetic number, because the mean of its divisors is an integer number (3791028601062).

Almost surely, 2^{20211143111102} is an apocalyptic number.

20211143111102 is a deficient number, since it is larger than the sum of its proper divisors (10117085697394).

20211143111102 is a wasteful number, since it uses less digits than its factorization.

20211143111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838047282.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 20211143111102 its reverse (20111134111202), we get a palindrome (40322277222304).

The spelling of 20211143111102 in words is "twenty trillion, two hundred eleven billion, one hundred forty-three million, one hundred eleven thousand, one hundred two".