20011101211102 has 16 divisors (see below), whose sum is σ = 30022086931200. Its totient is φ = 10003739086872.

The previous prime is 20011101211093. The next prime is 20011101211141. The reversal of 20011101211102 is 20111210111002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290406649 + ... + 290475547.

It is an arithmetic number, because the mean of its divisors is an integer number (1876380433200).

Almost surely, 2^{20011101211102} is an apocalyptic number.

20011101211102 is a deficient number, since it is larger than the sum of its proper divisors (10010985720098).

20011101211102 is a wasteful number, since it uses less digits than its factorization.

20011101211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93087.

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

Adding to 20011101211102 its reverse (20111210111002), we get a palindrome (40122311322104).

The spelling of 20011101211102 in words is "twenty trillion, eleven billion, one hundred one million, two hundred eleven thousand, one hundred two".