20101111202200 has 48 divisors (see below), whose sum is σ = 53411524055280. Its totient is φ = 6891809554560.

The previous prime is 20101111202147. The next prime is 20101111202203. The reversal of 20101111202200 is 220211110102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101111202203) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 7178966887 + ... + 7178969686.

It is an arithmetic number, because the mean of its divisors is an integer number (1112740084485).

Almost surely, 2^{20101111202200} is an apocalyptic number.

20101111202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20101111202200 is an abundant number, since it is smaller than the sum of its proper divisors (33310412853080).

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

20101111202200 is a wasteful number, since it uses less digits than its factorization.

20101111202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14357936596 (or 14357936587 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20101111202200 its reverse (220211110102), we get a palindrome (20321322312302).

The spelling of 20101111202200 in words is "twenty trillion, one hundred one billion, one hundred eleven million, two hundred two thousand, two hundred".