20111101211102 has 16 divisors (see below), whose sum is σ = 33065041895424. Its totient is φ = 9098085423000.

The previous prime is 20111101211101. The next prime is 20111101211107. The reversal of 20111101211102 is 20111210111102.

It is a super-3 number, since 3×20111101211102³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111101211101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2166206174 + ... + 2166215457.

It is an arithmetic number, because the mean of its divisors is an integer number (2066565118464).

Almost surely, 2^{20111101211102} is an apocalyptic number.

20111101211102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20111101211102 is a deficient number, since it is larger than the sum of its proper divisors (12953940684322).

20111101211102 is a wasteful number, since it uses less digits than its factorization.

20111101211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332421855.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 20111101211102 its reverse (20111210111102), we get a palindrome (40222311322204).

The spelling of 20111101211102 in words is "twenty trillion, one hundred eleven billion, one hundred one million, two hundred eleven thousand, one hundred two".