20111102110102 has 8 divisors (see below), whose sum is σ = 30195031957776. Its totient is φ = 10046091457512.

The previous prime is 20111102110097. The next prime is 20111102110153. The reversal of 20111102110102 is 20101120111102.

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, 4729796113 + ... + 4729800364.

It is an arithmetic number, because the mean of its divisors is an integer number (3774378994722).

Almost surely, 2^{20111102110102} is an apocalyptic number.

20111102110102 is a deficient number, since it is larger than the sum of its proper divisors (10083929847674).

20111102110102 is a wasteful number, since it uses less digits than its factorization.

20111102110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9459597542.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20111102110102 its reverse (20101120111102), we get a palindrome (40212222221204).

The spelling of 20111102110102 in words is "twenty trillion, one hundred eleven billion, one hundred two million, one hundred ten thousand, one hundred two".