20100220011102 has 64 divisors (see below), whose sum is σ = 53068266146304. Its totient is φ = 4913728343040.

The previous prime is 20100220011101. The next prime is 20100220011127. The reversal of 20100220011102 is 20111002200102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100220011101) 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 31 ways as a sum of consecutive naturals, for example, 1279608903 + ... + 1279624610.

It is an arithmetic number, because the mean of its divisors is an integer number (829191658536).

Almost surely, 2^{20100220011102} is an apocalyptic number.

20100220011102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20100220011102 is an abundant number, since it is smaller than the sum of its proper divisors (32968046135202).

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

20100220011102 is a wasteful number, since it uses less digits than its factorization.

20100220011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559233553.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20100220011102 its reverse (20111002200102), we get a palindrome (40211222211204).

The spelling of 20100220011102 in words is "twenty trillion, one hundred billion, two hundred twenty million, eleven thousand, one hundred two".