20111200211102 has 128 divisors (see below), whose sum is σ = 40686395904000. Its totient is φ = 7200190771200.

The previous prime is 20111200211093. The next prime is 20111200211143.

20111200211102 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2224439702 + ... + 2224448742.

It is an arithmetic number, because the mean of its divisors is an integer number (317862468000).

Almost surely, 2^{20111200211102} is an apocalyptic number.

20111200211102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20111200211102 is an abundant number, since it is smaller than the sum of its proper divisors (20575195692898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20111200211102 is a wasteful number, since it uses less digits than its factorization.

20111200211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13962.

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

It can be divided in two parts, 20111200 and 211102, that added together give a palindrome (20322302).

The spelling of 20111200211102 in words is "twenty trillion, one hundred eleven billion, two hundred million, two hundred eleven thousand, one hundred two".